않다 Korean verb conjugation
to not do something
Every form of 않다 across the four speech levels. It is a regular stem, so the endings below attach without changing it.
기본형Principal parts
The four forms the dictionary prints. Every other form on this page is derived from them.
- 관형사형Modifier
- 않는
- 아/어Infinitive
- 않아
- -으니Since
- 않으니
- 합니다Formal
- 않습니다
현재Present
The tense that does the most work. 해요체 is the one to learn first — it is polite without being formal, and it is what most conversation is in.
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 서술Statement | 않아요 | 않습니다 | 않아 | 않는다 |
과거Past
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 서술Statement | 않았어요 | 않았습니다 | 않았어 | 않았다 |
미래·추측Future & presumptive
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| -겠-Will / must be | 않겠어요 | 않겠습니다 | 않겠어 | 않겠다 |
| -을 것이다Going to | 않을 거예요 | 않을 것입니다 | 않을 거야 | 않을 것이다 |
의문Questions
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 않아요? | 않습니까? | 않아? | 않니? |
| 과거Past | 않았어요? | 않았습니까? | 않았어? | 않았니? |
명령Commands
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 명령Do it | 않으세요 | 않으십시오 | 않아 | 않아라 |
| 청유Let's | 않아요 | 않읍시다 | 않아 | 않자 |
부정Negation
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 안Not (short) | 안 않아요 | 안 않습니다 | 안 않아 | 안 않는다 |
| -지 않다Not (long) | 않지 않아요 | 않지 않습니다 | 않지 않아 | 않지 않는다 |
| 못Cannot | 못 않아요 | 못 않습니다 | 못 않아 | 못 않는다 |
높임Honorific
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 않으세요 | 않으십니다 | 않으셔 | 않으신다 |
| 과거Past | 않으셨어요 | 않으셨습니다 | 않으셨어 | 않으셨다 |
관형사형Modifying a noun
- 현재Present
- 않는
- 과거Past
- 않은
- 미래Future
- 않을
- 회상Used to
- 않던
연결Joining clauses
- -고and
- 않고
- -게-ly / so that
- 않게
- -어서so / and then
- 않아서
- -으니까since
- 않으니까
- -으면if / when
- 않으면
- -지만but
- 않지만
- -는데and / but (setting up)
- 않는데
- -어도even if
- 않아도
진행In progress
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Is doing | 않고 있어요 | 않고 있습니다 | 않고 있어 | 않고 있다 |
| 과거Was doing | 않고 있었어요 | 않고 있었습니다 | 않고 있었어 | 않고 있었다 |
문형Sentence patterns
How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.
- 1이 2를 않다
예문In real sentences
From the dictionary, each with its translation.
우리 말이 통하는 것 같지 않아?
We speak the same language, don't we?
톰은 그것을 먹고 싶어하지 않는다.
Tom won't eat that.
인간은 70년정도 밖에 살지 않아.
Humans only live about 70 years.
문제는 우리가 가진 돈이 많지 않다는 것이다.
The problem is that we don't have a lot of money.
자주 묻는 질문Common questions
How do you conjugate 않다 in Korean?
않다 (to not do something) is 않아요 in the polite 해요체, 않습니다 in formal 합니다체, 않아 in casual 반말 and 않는다 in the plain written style. The past is 않았어요.
What is the past tense of 않다?
않았어요 in everyday polite speech, 않았습니다 formally. It is built from the 아/어 form 않아 plus ㅆ, which is why an irregular stem shows its irregularity here.
Is 않다 a regular verb?
Yes. Its stem never changes shape: 않습니다, 않아, 않으니 all keep 않 intact. Only the ending moves.
What TOPIK level is 않다?
3급 — TOPIK 3, lower intermediate.
Dictionary form, meaning, sentence patterns, examples and audio from the 국립국어원 한국어기초사전, used under CC BY-SA 2.0 KR.
Conjugations are generated by this site's own engine and checked against the 9,380 forms the dictionary publishes on every build.