않다

to not do something

TOPIK 3 3급verb 동사regular 규칙Dictionary entry 단어

Principal parts

관형사형Modifier
않는
아/어Infinitive
않아
-으니Since
않으니
합니다Formal
않습니다

Present

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 않아요않습니다않아않는다

Past

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 않았어요않았습니다않았어않았다

Future & presumptive

해요체Polite합니다체Formal해체Casual한다체Plain
-겠-Will / must be 않겠어요않겠습니다않겠어않겠다
-을 것이다Going to 않을 거예요않을 것입니다않을 거야않을 것이다

Questions

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 않아요?않습니까?않아?않니?
과거Past 않았어요?않았습니까?않았어?않았니?

Commands

해요체Polite합니다체Formal해체Casual한다체Plain
명령Do it 않으세요않으십시오않아않아라
청유Let's 않아요않읍시다않아않자

Negation

해요체Polite합니다체Formal해체Casual한다체Plain
안Not (short) 안 않아요안 않습니다안 않아안 않는다
-지 않다Not (long) 않지 않아요않지 않습니다않지 않아않지 않는다
못Cannot 못 않아요못 않습니다못 않아못 않는다

Honorific

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 않으세요않으십니다않으셔않으신다
과거Past 않으셨어요않으셨습니다않으셨어않으셨다

Modifying a noun

현재Present
않는
과거Past
않은
미래Future
않을
회상Used to
않던

Joining 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

In progress

해요체Polite합니다체Formal해체Casual한다체Plain
현재Is doing 않고 있어요않고 있습니다않고 있어않고 있다
과거Was doing 않고 있었어요않고 있었습니다않고 있었어않고 있었다

Sentence patterns

In real sentences

내가 하지 않아도 되겠어?

Sure you don't want me to take over?

그는 하지 않았어요

He didn't do it.

말이 되지 않았죠.

And it didn't make sense.

그렇게 하지않도록 하십시오.

Try not to do that.

Common 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.