research paper on verbs

Using the right tense

In your scientific paper, use verb tenses (past, present, and future) exactly as you would in ordinary writing. Use the past tense to report what happened in the past: what you did, what someone reported, what happened in an experiment, and so on. Use the present tense to express general truths, such as conclusions (drawn by you or by others) and atemporal facts (including information about what the paper does or covers). Reserve the future tense for perspectives: what you will do in the coming months or years. Typically, most of your sentences will be in the past tense, some will be in the present tense, and very few, if any, will be in the future tense.

Work done We collected blood samples from . . . Groves et al. determined the growth rate of . . . Consequently, astronomers decided to rename . . . Work reported Jankowsky reported a similar growth rate . . . In 2009, Chu published an alternative method to . . . Irarrázaval observed the opposite behavior in . . . Observations The mice in Group A developed , on average, twice as much . . . The number of defects increased sharply . . . The conversion rate was close to 95% . . .

Present tense

General truths Microbes in the human gut have a profound influence on . . . The Reynolds number provides a measure of . . . Smoking increases the risk of coronary heart disease . . . Atemporal facts This paper presents the results of . . . Section 3.1 explains the difference between . . . Behbood's 1969 paper provides a framework for . . .

Future tense

Perspectives In a follow-up experiment, we will study the role of . . . The influence of temperature will be the object of future research . . .

Note the difference in scope between a statement in the past tense and the same statement in the present tense: "The temperature increased linearly over time" refers to a specific experiment, whereas "The temperature increases linearly over time" generalizes the experimental observation, suggesting that the temperature always increases linearly over time in such circumstances.

In complex sentences, you may have to combine two different tenses — for example, "In 1905, Albert Einstein postulated that the speed of light is constant . . . . " In this sentence, postulated refers to something that happened in the past (in 1905) and is therefore in the past tense, whereas is expresses a general truth and is in the present tense.

Choosing between active and passive voice

In English, verbs can express an action in one of two voices. The active voice focuses on the agent: "John measured the temperature." (Here, the agent — John — is the grammatical subject of the sentence.) In contrast, the passive voice focuses on the object that is acted upon: "The temperature was measured by John." (Here, the temperature, not John, is the grammatical subject of the sentence.)

To choose between active and passive voice, consider above all what you are discussing (your topic) and place it in the subject position. For example, should you write "The preprocessor sorts the two arrays" or "The two arrays are sorted by the preprocessor"? If you are discussing the preprocessor, the first sentence is the better option. In contrast, if you are discussing the arrays, the second sentence is better. If you are unsure what you are discussing, consider the surrounding sentences: Are they about the preprocessor or the two arrays?

The desire to be objective in scientific writing has led to an overuse of the passive voice, often accompanied by the exclusion of agents: "The temperature was measured " (with the verb at the end of the sentence). Admittedly, the agent is often irrelevant: No matter who measured the temperature, we would expect its value to be the same. However, a systematic preference for the passive voice is by no means optimal, for at least two reasons.

For one, sentences written in the passive voice are often less interesting or more difficult to read than those written in the active voice. A verb in the active voice does not require a person as the agent; an inanimate object is often appropriate. For example, the rather uninteresting sentence "The temperature was measured . . . " may be replaced by the more interesting "The measured temperature of 253°C suggests a secondary reaction in . . . ." In the second sentence, the subject is still temperature (so the focus remains the same), but the verb suggests is in the active voice. Similarly, the hard-to-read sentence "In this section, a discussion of the influence of the recirculating-water temperature on the conversion rate of . . . is presented " (long subject, verb at the end) can be turned into "This section discusses the influence of . . . . " The subject is now section , which is what this sentence is really about, yet the focus on the discussion has been maintained through the active-voice verb discusses .

As a second argument against a systematic preference for the passive voice, readers sometimes need people to be mentioned. A sentence such as "The temperature is believed to be the cause for . . . " is ambiguous. Readers will want to know who believes this — the authors of the paper, or the scientific community as a whole? To clarify the sentence, use the active voice and set the appropriate people as the subject, in either the third or the first person, as in the examples below.

Biologists believe the temperature to be . . . Keustermans et al. (1997) believe the temperature to be . . . The authors believe the temperature to be . . . We believe the temperature to be . . .

Avoiding dangling verb forms

A verb form needs a subject, either expressed or implied. When the verb is in a non-finite form, such as an infinitive ( to do ) or a participle ( doing ), its subject is implied to be the subject of the clause, or sometimes the closest noun phrase. In such cases, construct your sentences carefully to avoid suggesting nonsense. Consider the following two examples.

To dissect its brain, the affected fly was mounted on a . . . After aging for 72 hours at 50°C, we observed a shift in . . .

Here, the first sentence implies that the affected fly dissected its own brain, and the second implies that the authors of the paper needed to age for 72 hours at 50°C in order to observe the shift. To restore the intended meaning while keeping the infinitive to dissect or the participle aging , change the subject of each sentence as appropriate:

To dissect its brain, we mounted the affected fly on a . . . After aging for 72 hours at 50°C, the samples exhibited a shift in . . .

Alternatively, you can change or remove the infinitive or participle to restore the intended meaning:

To have its brain dissected , the affected fly was mounted on a . . . After the samples aged for 72 hours at 50°C, we observed a shift in . . .

In communication, every detail counts. Although your focus should be on conveying your message through an appropriate structure at all levels, you should also save some time to attend to the more mechanical aspects of writing in English, such as using abbreviations, writing numbers, capitalizing words, using hyphens when needed, and punctuating your text correctly.

Using abbreviations

Beware of overusing abbreviations, especially acronyms — such as GNP for gold nanoparticles . Abbreviations help keep a text concise, but they can also render it cryptic. Many acronyms also have several possible extensions ( GNP also stands for gross national product ).

Write acronyms (and only acronyms) in all uppercase ( GNP , not gnp ).

Introduce acronyms systematically the first time they are used in a document. First write the full expression, then provide the acronym in parentheses. In the full expression, and unless the journal to which you submit your paper uses a different convention, capitalize the letters that form the acronym: "we prepared Gold NanoParticles (GNP) by . . . " These capitals help readers quickly recognize what the acronym designates.

• Do not use capitals in the full expression when you are not introducing an acronym: "we prepared gold nanoparticles by… "
• As a more general rule, use first what readers know or can understand best, then put in parentheses what may be new to them. If the acronym is better known than the full expression, as may be the case for techniques such as SEM or projects such as FALCON, consider placing the acronym first: "The FALCON (Fission-Activated Laser Concept) program at…"
• In the rare case that an acronym is commonly known, you might not need to introduce it. One example is DNA in the life sciences. When in doubt, however, introduce the acronym.

In papers, consider the abstract as a stand-alone document. Therefore, if you use an acronym in both the abstract and the corresponding full paper, introduce that acronym twice: the first time you use it in the abstract and the first time you use it in the full paper. However, if you find that you use an acronym only once or twice after introducing it in your abstract, the benefit of it is limited — consider avoiding the acronym and using the full expression each time (unless you think some readers know the acronym better than the full expression).

Writing numbers

In general, write single-digit numbers (zero to nine) in words, as in three hours , and multidigit numbers (10 and above) in numerals, as in 24 hours . This rule has many exceptions, but most of them are reasonably intuitive, as shown hereafter.

Use numerals for numbers from zero to nine

• when using them with abbreviated units ( 3 mV );
• in dates and times ( 3 October , 3 pm );
• to identify figures and other items ( Figure 3 );
• for consistency when these numbers are mixed with larger numbers ( series of 3, 7, and 24 experiments ).

Use words for numbers above 10 if these numbers come at the beginning of a sentence or heading ("Two thousand eight was a challenging year for . . . "). As an alternative, rephrase the sentence to avoid this issue altogether ("The year 2008 was challenging for . . . " ) .

Capitalizing words

Capitals are often overused. In English, use initial capitals

• at beginnings: the start of a sentence, of a heading, etc.;
• for proper nouns, including nouns describing groups (compare physics and the Physics Department );
• for items identified by their number (compare in the next figure and in Figure 2 ), unless the journal to which you submit your paper uses a different convention;
• for specific words: names of days ( Monday ) and months ( April ), adjectives of nationality ( Algerian ), etc.

In contrast, do not use initial capitals for common nouns: Resist the temptation to glorify a concept, technique, or compound with capitals. For example, write finite-element method (not Finite-Element Method ), mass spectrometry (not Mass Spectrometry ), carbon dioxide (not Carbon Dioxide ), and so on, unless you are introducing an acronym (see Mechanics: Using abbreviations ).

Using hyphens

Punctuating text.

Punctuation has many rules in English; here are three that are often a challenge for non-native speakers.

As a rule, insert a comma between the subject of the main clause and whatever comes in front of it, no matter how short, as in "Surprisingly, the temperature did not increase." This comma is not always required, but it often helps and never hurts the meaning of a sentence, so it is good practice.

In series of three or more items, separate items with commas ( red, white, and blue ; yesterday, today, or tomorrow ). Do not use a comma for a series of two items ( black and white ).

In displayed lists, use the same punctuation as you would in normal text (but consider dropping the and ).

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Verb Tenses to Use in a Research Paper

Why Using the Correct Verb Tense is Important

When writing an academic paper, writers should follow the accepted grammar and style conventions: not only to abide by the institutional and domain standards, but to communicate clearly to readers what was studied, when it took place, and from what perspective you are discussing your research (and that of others) in your paper. One crucial writing element that you must consider when composing your paper is  verb tense . Which tense you use will determine the flow and coherency of your paper.

You might have found yourself thinking along these lines: “Everything in this study has already been completed, so shouldn’t I simply write everything in the simple past tense?”

The answer is no–at least not in a strict sense. The verb tense you use for a given sentence or phrase depends on your position as the author to the material you are discussing. As the author, you look at each element mentioned in your text from a distance in terms of your role: as a participant, critic, or messenger, among others. You must also take into account the chronological reasons for choosing between present and past tenses in a given instance.

Knowing which tense to use requires both knowledge of the exact guidelines set out for you in whichever formatting style you are following ( APA , AMA , etc.), as well as some discretion and savvy in choosing the tense that makes the most sense for a given statement in the paper.

While new authors should certainly familiarize themselves with the specific guidelines of the formatting style they are applying, this article will focus on the  most common rules of verb tense applied to research papers in journals and at academic institutions, reflecting basic verb usage rules in academic English and encompassing  all  formatting styles.

Bear in mind that these grammar and verb-tense issues will largely be corrected by any competent proofreading service or research paper editing service , and thus professional revision of all academic documents is recommended before submission to journals or conferences.

Rules for Present, Past, and Perfect Tense Verbs

First, there are three basic verb tenses used in research papers:  present  (simple present),  simple   past , and  present perfect . We will talk about how research paper sections determine verb tense in a minute, but first, let’s review when each tense should be used in general throughout the paper.

PRESENT TENSE VERBS

The present tense is used to talk about general facts, discuss current meanings and implications, and suggest future applications .

General facts are constant and do not change throughout time (the ultimate evolution of scientific progress notwithstanding). Always use the present when discussing general scientific facts.

Example: “Insulin and glucagon regulates blood glucose levels.” 

Implications are closely related to general facts and thus the same rule is applied.

Example: “An elevated glucose level indicates a lack of glucagon hormones in the pancreas.”

Further research is called for or stressed as important through a phrase in the present tense.

Example: “Further studies about glucagon receptors are needed.”

SIMPLE PAST TENSE VERBS

The simple past is generally used to discuss events that have been c ompleted in the past at some distinct time and/or place . It is most often applied to discrete events such as studies, experiments, or observed phenomena.

Example: “Scientists in Wales discovered a new enzyme in the liver.” Example: “Protocol X was used to analyze the data.”

PRESENT PERFECT TENSE VERBS

The present perfect tense (or simply “perfect tense”) is used in research papers to refer to  events or actions that have taken place at some unidentified time in the past or have started but are still ongoing or only recently completed . It often establishes a general background in the Introduction section , adding a backdrop on which you can explain the motivations for and purpose of your study.

Note that it is the least frequently used tense in most research papers and should not be over-employed–focus more on detailed actions by using the simple past.

Example:  “Many studies have focused on glucagon as an important regulating hormone.” Example:  “Until recently, researchers have analyzed this kind of data using Chi-Square Statistics.” Example:  “Efforts have been made to understand more about this process.”  (passive)

Appropriate Verb Tenses by Research Paper Section

It bears repeating that the “best” tense to use is the one that is recommended (or demanded) by whichever formatting manual you are using. However, there is a high degree of continuity between the common styles, and the following rules for usage in each section will likely apply to your research paper no matter where it will be published.

Abstract verb tenses

In general, use the simple past for the abstract of your manuscript; for a concise introductory sentence, use the present perfect. To establish a need for your study—–for instance, by explaining the current circumstances of the world or the specific area in which you are working—–you can also use the present tense.

Example of introductory sentence (present perfect): “Recent studies of glucagon and insulin production have led to breakthroughs in medicine.” Example of establishing background/circumstances/purpose (present): “Diabetes  accounts for a higher number of deaths in the US than previously calculated.”

For general statements and facts, the paper itself, or analysis of findings, use the present tense.

Example of a statement of fact: “In the US, diabetes is the most common endocrine disease.”

If you are stating a fact or finding from an earlier specified time or place, use the simple past:

Example: “In 2016, diabetes was the most common endocrine disease.” Have a look at our more in-depth instruction to writing an abstract for a research paper or at these do’s and don’ts of abstract writing if you need additional input.

Introduction section verb tenses

Use a mixture of present and past tense in the introduction section .

The present tense is applied when discussing something that is always true; the simple past tense is used for earlier research efforts, either your own or those reported by another group.

Example of earlier research efforts (simple past): “This same research team discovered a similar enzyme in their 2012 study.”

If the time or location of the demonstration is unknown or not important, use the present perfect.

Example: “Prior research has indicated a correlation between X and Y.”

For the concluding statements of your introduction, use the simple past or present perfect.

Example of concluding statement (simple past): “The CalTech glucagon studies were inconclusive.” Example of concluding statement (present perfect): “Prior research in this area has been inconclusive.”

Use the past perfect when you talk about something that happened or was found to be the case in the past, but which has since been revised. Example of revised information (past perfect): “The Dublonsky study had determined that X was Y, but a 2012 study found this to be incorrect.”

Literature review verb tenses

Knowing which tenses to use for a literature review (either as part of a research paper or as a stand-alone article) can be a bit tricky, as your usage depends both on which style manual you are using (APA, AMA, MLA , or others) and on how you are discussing the literature.

The simple past is usually applied when using the researcher’s name as the subject of the sentence and discussing the methods or results of that study itself

Example of describing researcher’s actions: “Pearson (1997) discovered a new enzyme using similar methods.”

Other verbs commonly found in this usage context: investigated, compared, studied, analyzed, investigated, found, confirmed, performed, etc.

When giving your opinion on another researcher’s work or bringing up the results, discussion, and conclusions they make in their work, use the present tense.

Example of discussing another’s work: “Ryuku (2005) concludes that there are no additional enzymes present in the liver, a finding this current study directly refutes.” Other verbs commonly found in this usage context: stresses, advocates, remarks, argues, claims, posits. etc.

Methods section verb tenses

The Methods section fairly clearly delineates between sections written in past and those written in present tense.

Use the simple past tense to talk about what you did. (Note that you will generally find the passive voice used when describing the actions of the researchers. This puts more focus on the actions being completed and less on the agents completing the action. Passive voice has become the general standard for research papers in recent decades, but it is okay to mix passive and active voice in order to make your paper clearer and more readable.)

Example of methods of study: “A glucose molecule was added to the mixture to see how the peptide would respond.” Example of methods of analysis: “The results were analyzed using Bayesian inference.”

Use the present tense to refer to or explain diagrams, figures, tables, and charts.

Example: “Table 5 shows the results of this first isolated test.” Example: “The results of this first isolated test are displayed in Table 5.”

Results section verb tenses

The verb tense rules for the Results section are quite similar to those applied to the Methods section.

Use the past tense to discuss actual results.

Example: “The addition of 0.02 μg of glycogen activated receptor cells.” Example: “Receptor cells were activated by the addition of 0.02 μg of glycogen.”

Use the simple present tense to explain diagrams/figures/tables. Again, sentences may use both the active and passive voice.

Discussion section verb tenses

The Discussion section consists of an analysis of the findings and a kind of translation of the meanings and implications of these findings.

Use the simple past to summarize your own findings.

Example of summarizing own findings: “The experiment yielded a number of results associated with the processing of glucose.”

Use the present tense to interpret and discuss the significance of your findings.

Example: “[This study confirms that] synthetic glucagon is two-thirds as effective at decreasing fatty acid synthesis.”

Conclusions and further work

The conclusion and call for further work to be done are either provided in the last sentence or two of your paper or in a separate (but short) section at the end of the main text (check the target journal’s author instructions to be sure you follow the journal style) and summarize or emphasize the new insights your work offers.

Use the present perfect tense to clarify that your statements still hold true at the time of reading.

Example: “Results from this study have led to a deeper understanding about how different peptides interact in this enzyme.”

Use the present tense to apply findings, state implications, and suggest further research.

Example of wider implications: “This study confirms that endogenous glucagon is even more essential in metabolism than previously thought.”

When discussing further research that is either needed or intended to be carried out, the future or present tense (or subjunctive mood) can also be used, in addition to the present tense passive voice.

Example of call for future research: “Further clinical studies are needed/will be needed/must be carried out/should be carried out to isolate the cause of this reaction.”

Follow these general rules about tenses and your paper will be clearer, more chronologically correct, and generally easier to read—meaning the important implications of your study will be more easily understood. You can always go back and edit verb tenses—the more you practice, and the more papers you read, the easier it will be to identify which tense should be used for which kind of information.

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• Transition Words & Phrases | List & Examples

Transition Words & Phrases | List & Examples

Published on May 29, 2020 by Jack Caulfield . Revised on August 23, 2023.

Transition words and phrases (also called linking words, connecting words, or transitional words) are used to link together different ideas in your text. They help the reader to follow your arguments by expressing the relationships between different sentences or parts of a sentence.

The proposed solution to the problem did not work. Therefore , we attempted a second solution. However , this solution was also unsuccessful.

For clear writing, it’s essential to understand the meaning of transition words and use them correctly.

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Table of contents

When and how to use transition words, types and examples of transition words, common mistakes with transition words, other interesting articles.

Transition words commonly appear at the start of a new sentence or clause (followed by a comma ), serving to express how this clause relates to the previous one.

Transition words can also appear in the middle of a clause. It’s important to place them correctly to convey the meaning you intend.

Example text with and without transition words

The text below describes all the events it needs to, but it does not use any transition words to connect them. Because of this, it’s not clear exactly how these different events are related or what point the author is making by telling us about them.

If we add some transition words at appropriate moments, the text reads more smoothly and the relationship among the events described becomes clearer.

Germany invaded Poland on September 1, 1939. Consequently , France and the United Kingdom declared war on Germany. The Soviet Union initially worked with Germany in order to partition Poland. However , Germany invaded the Soviet Union in 1941.

Don’t overuse transition words

While transition words are essential to clear writing, it’s possible to use too many of them. Consider the following example, in which the overuse of linking words slows down the text and makes it feel repetitive.

In this case the best way to fix the problem is to simplify the text so that fewer linking words are needed.

The key to using transition words effectively is striking the right balance. It is difficult to follow the logic of a text with no transition words, but a text where every sentence begins with a transition word can feel over-explained.

Check for common mistakes

Use the best grammar checker available to check for common mistakes in your text.

Fix mistakes for free

There are four main types of transition word: additive, adversative, causal, and sequential. Within each category, words are divided into several more specific functions.

Remember that transition words with similar meanings are not necessarily interchangeable. It’s important to understand the meaning of all the transition words you use. If unsure, consult a dictionary to find the precise definition.

Additive transition words

Additive transition words introduce new information or examples. They can be used to expand upon, compare with, or clarify the preceding text.

Adversative transition words

Adversative transition words always signal a contrast of some kind. They can be used to introduce information that disagrees or contrasts with the preceding text.

Causal transition words

Causal transition words are used to describe cause and effect. They can be used to express purpose, consequence, and condition.

Sequential transition words

Sequential transition words indicate a sequence, whether it’s the order in which events occurred chronologically or the order you’re presenting them in your text. They can be used for signposting in academic texts.

Transition words are often used incorrectly. Make sure you understand the proper usage of transition words and phrases, and remember that words with similar meanings don’t necessarily work the same way grammatically.

Misused transition words can make your writing unclear or illogical. Your audience will be easily lost if you misrepresent the connections between your sentences and ideas.

Confused use of therefore

“Therefore” and similar cause-and-effect words are used to state that something is the result of, or follows logically from, the previous. Make sure not to use these words in a way that implies illogical connections.

• We asked participants to rate their satisfaction with their work from 1 to 10. Therefore , the average satisfaction among participants was 7.5.

The use of “therefore” in this example is illogical: it suggests that the result of 7.5 follows logically from the question being asked, when in fact many other results were possible. To fix this, we simply remove the word “therefore.”

• We asked participants to rate their satisfaction with their work from 1 to 10. The average satisfaction among participants was 7.5.

Starting a sentence with also , and , or so

While the words “also,” “and,” and “so” are used in academic writing, they are considered too informal when used at the start of a sentence.

• Also , a second round of testing was carried out.

To fix this issue, we can either move the transition word to a different point in the sentence or use a more formal alternative.

• A second round of testing was also carried out.
• Additionally , a second round of testing was carried out.

Transition words creating sentence fragments

Words like “although” and “because” are called subordinating conjunctions . This means that they introduce clauses which cannot stand on their own. A clause introduced by one of these words should always follow or be followed by another clause in the same sentence.

The second sentence in this example is a fragment, because it consists only of the “although” clause.

• Smith (2015) argues that the period should be reassessed. Although other researchers disagree.

We can fix this in two different ways. One option is to combine the two sentences into one using a comma. The other option is to use a different transition word that does not create this problem, like “however.”

• Smith (2015) argues that the period should be reassessed, although other researchers disagree.
• Smith (2015) argues that the period should be reassessed. However , other researchers disagree.

And vs. as well as

Students often use the phrase “ as well as ” in place of “and,” but its usage is slightly different. Using “and” suggests that the things you’re listing are of equal importance, while “as well as” introduces additional information that is less important.

• Chapter 1 discusses some background information on Woolf, as well as presenting my analysis of To the Lighthouse .

In this example, the analysis is more important than the background information. To fix this mistake, we can use “and,” or we can change the order of the sentence so that the most important information comes first. Note that we add a comma before “as well as” but not before “and.”

• Chapter 1 discusses some background information on Woolf and presents my analysis of To the Lighthouse .
• Chapter 1 presents my analysis of To the Lighthouse , as well as discussing some background information on Woolf.

Note that in fixed phrases like “both x and y ,” you must use “and,” not “as well as.”

• Both my results as well as my interpretations are presented below.
• Both my results and my interpretations are presented below.

Use of and/or

The combination of transition words “and/or” should generally be avoided in academic writing. It makes your text look messy and is usually unnecessary to your meaning.

First consider whether you really do mean “and/or” and not just “and” or “or.” If you are certain that you need both, it’s best to separate them to make your meaning as clear as possible.

• Participants were asked whether they used the bus and/or the train.
• Participants were asked whether they used the bus, the train, or both.

Archaic transition words

Words like “hereby,” “therewith,” and most others formed by the combination of “here,” “there,” or “where” with a preposition are typically avoided in modern academic writing. Using them makes your writing feel old-fashioned and strained and can sometimes obscure your meaning.

• Poverty is best understood as a disease. Hereby , we not only see that it is hereditary, but acknowledge its devastating effects on a person’s health.

These words should usually be replaced with a more explicit phrasing expressing how the current statement relates to the preceding one.

• Poverty is best understood as a disease. Understanding it as such , we not only see that it is hereditary, but also acknowledge its devastating effects on a person’s health.

Using a paraphrasing tool for clear writing

With the use of certain tools, you can make your writing clear. One of these tools is a paraphrasing tool . One thing the tool does is help your sentences make more sense. It has different modes where it checks how your text can be improved. For example, automatically adding transition words where needed.

If you want to know more about AI for academic writing, AI tools, or writing rules make sure to check out some of our other articles with explanations and examples or go directly to our tools!

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Scholarly Voice: Verbs That Introduce

Verbs that introduce.

When including summaries, paraphrases, or quotations in academic writing, sometimes you should include the name of the author of the original source within the sentence rather than as a parenthetical citation. In order to do this, use a verb to introduce the research. For example:

Clark (2012) reported that the decrease in bees could be linked to changes in pesticide use.

In research-based writing, the frequent use of paraphrased or quoted material can make it difficult to find a way to vary the verbs used. However, variety in word choice creates more interesting texts. To avoid repeating "reported" and "stated," consider some of the following verb instead.

• Acknowledged

Additional Tips

Word choice can vary from between academic or professional fields. For example, some fields may use the verb "claimed" regularly, while other disciplines do not. Referring to corpuses can help you determine if a word is appropriate for your field.

When choosing a verb to introduce research, be mindful that some verbs carry connotations. Although "said" is neutral, the verb "argued" could be seen as angry or negative by a reader. On the other hand, a verb like "assumed" may make the source seem weak or unprofessional. In academic writing, it is important to choose the most accurate verb. If a source makes an assumption, then using the verb "assumed" is a sound choice. If a source does not make an assumption, using the verb "assumed " will create a connotation that does not match the purpose of the source. Make sure the verbs you choose best reflect the original meaning of the quoted or paraphrased material.

Didn't find what you need? Email us at [email protected] .

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Academic English Vocabulary: Verbs To Use for Citations in Research Essays

When CISL English for Academic Purposes students learn to write academic English research papers , students often have difficulty citing their sources. The problem? Finding synonyms for the word “say” in order to avoid repetition in their paper. The following verbs for citations can be used in place of “say.” Some are more appropriate than others depending on the situation: to better understand their usage, we are providing the situation in which we can use this word (as well as an example, which uses the MLA format for citing sources).

With each example, we are imagining a research paper written on the effects of caffeine. We will cite an imaginary scientist with the last name “Jacobs.”

Verbs To Use for Citations in Research Essays

Usage: to cite a person who says something contrary to another argument.

Example:   While many believe caffeine is harmful, researchers at the University of Pennsylvania argue that in small doses, caffeine can stimulate brain function and awareness (Jacobs 2017). 

Usage: to cite a person who says something confidently or with force.

Example:  Despite arguments against the validity of his research, the professor asserts that the study’s findings are accurate (Jacobs 2017). 

Usage: to cite someone who is stating or asserting that something is the case, typically without providing evidence or proof.

Example:   The anti-environment group claimed that research about global warming was flawed (Jacobs 2017). 

Usage: to cite someone who is making (secret or new information) known.

Example:   Jacobs  disclosed that the research was funded by a pharmaceutical company with the intention of making their new drug appear effective (199: 2017).

Usage: to make private or sensitive information known.

Example:   The summary  divulged that the study was funded by the government   (Jacobs 2017). 

Usage: to cite a person who keeps their opinion, despite claims against it.

Example:   Although over the years other studies have been published stating the dangers of caffeine, Jacobs maintains that the original study is correct and that caffeine in small doses is beneficial (199: 2017). 

Usage: to cite a person who is pointing out something interesting, adding a fact or piece of information.

Example:   Jacobs additionally notes that caffeine has been shown to help maintain steady sleep patterns when used effectively (198: 2017). 

Usage: the phrasal verb “to point out” means to bring attention to an important fact.

Example:   Jacobs also points out that many of the studies regarding the benefits of caffeine were paid for by the coffee industry, while his study was funded by a government grant (198: 2017). 

Usage: to cite a person who draws a conclusion based on information, evidence, or knowledge.

Example:   Scientists reasoned that the study’s results were due to the use of regulated doses of coffee, as opposed to studies that gave subjects higher doses of caffeine (Jacobs 2017). 

Usage: a more formal synonym for the word “say.”

Example:  Jacobs also states that the study was the first of its kind (194: 2017). 

Did you notice that each of the above words are followed by the word “that?” This is optional. To find out why, read our article on Defining vs. Non-defining Relative Clauses .

Would you like some more examples of verbs for citations? Check out the University of Toronto, Scarborough’s list of Verbs for Citing Sources , the University of Portsmouth’s Verbs for Citations list, or Centralia College in Washington’s useful Verbs of Attribution  download.