Verb tenses change from section to section in a research paper. In short, use the past tense for your methods and results. Then switch to the present tense for your discussion and conclusions. In the literature review, use the past or present perfect tense.
This confuses many authors, and it confuses non-native English speakers most of all. However, the logic is consistent once you see it. So this guide explains the rule for every section, with examples you can copy.
Quick answer: tenses by section
| Section | Tense | Example |
|---|---|---|
| Abstract | Mixed, mirroring the paper | This study examined… Results showed… These findings suggest… |
| Introduction | Present, with past for prior studies | Diabetes affects millions… Smith (2023) reported… |
| Literature review | Past or present perfect | Smith found… Researchers have shown… |
| Methods | Past | We recruited 120 participants. |
| Results | Past | Scores increased significantly. |
| Discussion | Present | These findings suggest… |
| Conclusion | Present, future for next steps | This study contributes… Future work should examine… |
APA sets out these conventions in its Publication Manual, as Royal Roads University's guide documents with page references.
The three tenses you actually need
Academic writing relies on three tenses. Learn these, and you can handle almost any sentence.
Simple past describes a completed action at a definite time. For example: We measured blood pressure at baseline.
Present perfect describes past action without a specific time, or action continuing to now. For example: Researchers have studied this effect for decades.
Simple present states something you treat as generally true. For example: Cognitive load increases with task complexity.
Future tense appears rarely. Still, it works well for research proposals and for future directions.
Abstract
Your abstract compresses the whole paper, so it mirrors the paper's tense pattern.
Describe what you did in the past tense. Then report findings in the past tense too. Finally, state implications in the present tense.
For example: This study examined recovery times. Patients in the intervention group recovered faster. These findings support early mobilisation. Our guide to writing an abstract covers the full structure.
Introduction
The introduction mixes tenses deliberately, because it does two jobs at once.
Use the present tense for established knowledge and for the problem you are addressing. For instance: Antibiotic resistance threatens global health.
Then switch to the past tense when you cite specific studies. For instance: Chen (2022) identified three risk factors.
Finally, state your aim in the past or present. Both This study examined… and This paper presents… work well.
Literature review
Here you have a genuine choice, and that choice carries meaning.
Use the past tense for what a specific researcher did. For example: Kumar (2021) surveyed 400 nurses.
Use the present perfect for a body of work, or a pattern across several studies. For example: Several studies have reported similar results.
Use the present tense only for claims the field now accepts as settled. For example: Exercise reduces cardiovascular risk.
That last point matters more than most authors realise. Present tense implies consensus. Therefore, do not use it for a single recent study, because you would overstate its authority. Our literature review guide covers synthesis in more depth.
Methods
The methods section is the simplest. You completed the work, so write it in the past tense throughout.
For example: We recruited participants from two clinics. Researchers coded the transcripts independently.
One caveat applies. Some journals prefer the passive voice here, while others prefer the active. So check the author guidelines, but keep the tense consistently past either way.
Results
Results follow the same rule as methods. Report what you found in the past tense.
For example: Mean scores increased by 12 points. The difference reached significance.
Tables and figures behave differently, though. Refer to them in the present tense, because they exist now on the page. For example: Table 2 shows participant characteristics.
Discussion
Now switch to the present tense. In the discussion you interpret, and interpretation is a current act.
For example: These results suggest that early intervention improves outcomes.
Still, you will move between tenses here. Use the past tense when you refer back to your own findings or to previous studies. For example: Our participants improved faster than the cohort Ahmed (2020) described.
Keep implications in the present. Our guide to writing a strong discussion section explains the structure around this.
Conclusion
Conclusions sit in the present tense. State what your work contributes and what it means.
For example: This study demonstrates that brief training improves accuracy.
Then use the future tense, or a modal verb, for next steps. For example: Future research should test this in larger samples.
Common tense mistakes
- Drifting mid-section, especially in long methods sections.
- Reporting results in the present tense, which overstates certainty.
- Using the present tense for one recent study in the literature review.
- Writing methods in the future tense, which happens when authors reuse a proposal.
- Referring to tables in the past tense, such as "Table 3 showed."
- Mixing tenses inside a single sentence without reason.
Reviewers notice this quickly. As a result, the paper reads as careless even when the science is sound. Our post on common grammatical errors in research papers covers related problems.
Why consistency matters more than perfection
Readers use tense as a signal. Past tense tells them you are describing an event. Present tense tells them you are stating something the field accepts.
So random shifts confuse that signal. Consequently, a reviewer must work harder to follow your argument.
APA makes the same point plainly: stay consistent within each section. Ontario Tech University's overview of APA tense recommendations sets out the section-by-section conventions in detail.
A quick self-check before you submit
Run these five checks on your draft:
- Read your methods section alone. Is every verb in the past tense?
- Read your results section alone. Same question.
- Scan your discussion. Do implications sit in the present tense?
- Check every reference to a table or figure. Are they all present tense?
- Search your literature review for present-tense claims. Can each one really be called settled?
These checks take fifteen minutes. Moreover, they catch the errors reviewers see first.
Frequently asked questions
What tense should I use in a research paper? Use the past tense for methods and results, the present tense for discussion and conclusions, and the past or present perfect tense in the literature review. The abstract mirrors this pattern in compressed form.
Should the methods section be past or present tense? Past tense. You completed the work before writing about it, so describe what you did in the simple past, for example "We recruited 120 participants." Keep the tense consistent throughout the section.
Which tense should I use in a literature review? Use the past tense for what a specific researcher did, and the present perfect for a body of work across several studies. Reserve the present tense for claims the field treats as settled, since present tense implies consensus.
Do I write results in past or present tense? Write results in the past tense, because you observed them at a specific time. However, refer to tables and figures in the present tense, for example "Table 2 shows participant characteristics."
Can I use future tense in a research paper? Rarely in a completed paper. Future tense suits research proposals and the future directions part of your conclusion, for example "Future research should examine longer follow-up periods."
Do verb tense rules differ between APA, MLA, and Chicago? The core conventions are similar across styles, and APA states them most explicitly. MLA writing in the humanities more often uses the literary present when discussing texts. Always follow your target journal's guidance where it differs.
Conclusion
Verb tenses follow a clear pattern in academic writing. Describe your work in the past tense. Interpret it in the present tense. Then handle the literature review with past or present perfect, depending on how settled the finding is.
Above all, stay consistent within each section. Your reader will follow the argument far more easily.
If English is not your first language, tense drift is easy to miss in your own draft. PaperEdit's proofreading services catch these patterns across a full manuscript, and our formatting services align the rest of your paper to your target style.