Yes, “might” is a verb—an auxiliary (modal) verb that pairs with a base verb to show possibility, permission, or a soft suggestion.
You’ll see “might” everywhere in English: essays, emails, novels, tests, and everyday talk. It’s short, it’s flexible, and it can change the tone of a sentence in a split second. The catch is that “might” doesn’t behave like a normal action verb. You can’t tack on “-s,” you can’t use “to might,” and you can’t say “mighted.” Once you know what kind of verb it is and the patterns it follows, it gets simple.
This article gives you a clean definition, the grammar rules that show up on quizzes, and plenty of examples you can copy. If you’re teaching, studying, or proofreading, you’ll also get quick checks that help you spot mistakes fast.
Is Might a Verb?
Yes. In modern English, “might” works as a modal auxiliary verb. That means it helps another verb by adding meaning like possibility, uncertainty, or politeness. It normally sits in front of a base verb (the verb’s simplest form).
Here are the two big clues that “might” is a modal auxiliary verb:
- It needs a main verb: “might go,” “might be,” “might have seen.”
- It changes meaning, not action: It tells you how likely something is, not what someone did.
How “might” works in a sentence
Modal verbs have a tight, predictable structure. If you learn the pattern once, you can reuse it across many sentences.
Core pattern
Subject + might + base verb
- She might call later.
- They might agree with your point.
- I might stay home tonight.
Negative pattern
Subject + might not + base verb
- He might not pass the exam without practice.
- We might not finish before lunch.
Question pattern
Might + subject + base verb?
- Might it rain this afternoon?
- Might she need help?
Common meanings of “might” you’ll meet in real writing
“Might” is one word, but it can carry different shades of meaning. Context does the heavy lifting.
| Use of “might” | Example sentence | What it signals |
|---|---|---|
| Possibility | I might go to the library after class. | Not certain; it’s one option. |
| Lower likelihood | It might snow tonight, but the roads look clear. | Feels less sure than “may” in many contexts. |
| Polite request | Might I ask a quick question? | Formal, respectful tone. |
| Polite suggestion | You might try a shorter thesis statement. | Soft advice, not an order. |
| Conditional result | If you leave now, you might catch the bus. | A possible outcome, not guaranteed. |
| Past “may” idea | She said she might visit on Friday. | Reported possibility from an earlier time. |
| “Might have” past possibility | He might have missed the email. | A guess about a past situation. |
| “Might as well” | We might as well start without them. | Practical choice when options are limited. |
| Permission (formal) | Might I leave early today? | Asking permission with extra politeness. |
That table covers the uses you’ll see most often in school writing and day-to-day communication. If you’re proofreading, it also helps you decide whether “might” fits the intended tone: cautious, polite, or unsure.
Is might a verb in English grammar and what kind?
In grammar terms, “might” is a modal auxiliary verb (also called a modal verb). Modal verbs sit in a small group that includes “can,” “could,” “may,” “might,” “must,” “shall,” “should,” “will,” and “would.” They share a few rules that make them stand out from typical verbs.
Rule 1: No “-s” in third person singular
With a normal verb, you change form for “he/she/it.” With “might,” you don’t.
- Correct: She might join us.
- Incorrect: She mights join us.
Rule 2: No infinitive form
You can say “to go,” “to run,” “to study.” You can’t say “to might.” If you need an infinitive, rewrite the sentence.
- Awkward idea: I want to might go.
- Clean rewrite: I want to be able to go.
- Clean rewrite: I want to go, but I’m not sure I can.
Rule 3: “Might” takes a base verb, not a verb with tense
After “might,” the next verb stays in base form.
- Correct: They might leave early.
- Incorrect: They might left early.
- Incorrect: They might leaves early.
Rule 4: “Might” can stack with perfect aspect
When you’re guessing about the past, English often uses might have + past participle.
- She might have forgotten the deadline.
- We might have misread the instructions.
If you want an authoritative overview of how modals behave (forms, patterns, and examples), the section on
Purdue OWL modal auxiliaries
is a solid reference you can point students to.
“Might” vs “may” without getting tangled
People mix up “may” and “might” because both talk about possibility. In many everyday sentences, either word can work. Still, writers often use “might” for a weaker possibility, a softer suggestion, or a more cautious tone.
Try this simple check: if your sentence is a careful guess, “might” often feels natural. If you’re giving permission, “may” is often the go-to in formal contexts, though “might I…?” can sound extra polite.
Quick side-by-side examples
- It may rain later. (neutral possibility)
- It might rain later. (often sounds less certain)
- May I leave early? (permission)
- Might I leave early? (more formal, more cautious)
Dictionary entries can help you confirm meaning and usage notes when you’re writing or teaching. The
Cambridge Dictionary entry for “might”
lays out common uses in clear, learner-friendly language.
How to teach or learn “might” fast
If you’re learning grammar, the best wins come from pattern practice. If you’re teaching, it helps to give students a small set of checks they can reuse on tests and in writing.
Test 1: The swap test
Replace “might” with another modal like “could.” If the sentence still works, you’re in modal territory.
- She might win. → She could win. (works)
- He might have seen it. → He could have seen it. (works)
Test 2: The “base verb” check
Look at the word right after “might.” If it’s not a base verb (or “have” in the “might have” pattern), you may have an error.
- Correct: might go
- Correct: might be
- Correct: might have + past participle
Test 3: The tense reality check
Students often assume “might” is a past-tense verb because it’s linked to “may.” In modern English, “might” usually signals degree of certainty, not time. Time often comes from the rest of the sentence.
- Present/future sense: I might go tonight.
- Past guess: I might have gone earlier.
- Reported earlier: She said she might go.
Common mistakes with “might” and clean fixes
Most errors come from treating “might” like a normal verb or mixing it up with sound-alike phrases. These are the ones that show up in student drafts again and again.
Mixing “might” with tense endings
Because “might” is a modal, it doesn’t change form to match the subject. Keep it steady.
- Incorrect: He mights be late.
- Correct: He might be late.
Using “to might”
This pops up when writers try to force an infinitive. Rewrite with a different structure.
- Incorrect: I want to might leave early.
- Better: I want to leave early, if I can.
- Better: I want to be able to leave early.
Writing “might of”
This mistake comes from how “might’ve” sounds in speech. In writing, it’s always might have (or the contraction might’ve).
- Incorrect: She might of seen it.
- Correct: She might have seen it.
- Correct: She might’ve seen it.
Overusing “might” to dodge commitment
In academic writing, too many “might” statements can make your point feel slippery. One or two cautious claims can fit. A paragraph full of “might” can read like you’re guessing. If you have evidence, state it with clear verbs and reserve “might” for places where uncertainty is honest.
| Slip-up | What to write | Why it works |
|---|---|---|
| mights | might | Modal verbs don’t take “-s.” |
| to might | to be able to / to + base verb | Modals don’t form infinitives. |
| might of | might have / might’ve | “Of” is a sound-alike error. |
| might went | might go | After “might,” use base form. |
| might going | might go / might be going | Use base verb, or add “be” for “-ing.” |
| might can | might be able to | English avoids stacking two modals. |
| might have went | might have gone | Perfect form needs a past participle. |
Strong sentence models you can borrow
If you want to use “might” confidently, it helps to keep a few ready-made patterns in your pocket. These work in essays, emails, and everyday writing.
Possibility
- I might finish the draft tonight.
- We might see delays on the way home.
Suggestion
- You might check the rubric one more time.
- She might want to add a citation for that claim.
Past guess
- They might have taken the earlier train.
- He might have misunderstood the prompt.
Polite request
- Might I borrow your notes for a moment?
- Might we meet after class?
Quick checklist to proofread “might” in your writing
Use this list when you’re revising a paragraph or checking a student draft. It keeps you locked on the rules that cause most errors.
- After “might,” the next verb is base form: might go, not might goes.
- For past guesses, use the pattern: might have + past participle.
- No “mights,” no “mighted,” no “to might.”
- Watch the sound-alike: write might have or might’ve, not might of.
- If the tone feels too hesitant, swap one “might” for a clearer verb when you have evidence.
Wrap-up you can remember
If you’ve been asking “is might a verb?” the clean answer is yes: it’s a modal auxiliary verb. It teams up with a base verb to express possibility, cautious guesses, permission in formal style, and gentle suggestions. Stick to the modal patterns—no “-s,” no infinitives, no tense endings—and your sentences will read clean.
When you see a draft error, you can usually fix it in one move: return the verb after “might” to base form, or use “might have” for a past guess. That’s the core skill, and it holds up across school writing, work messages, and anything else you write in English.