망각하다

to forget (completely)

Principal parts

관형사형Modifier
망각하는
아/어Infinitive
망각하
-으니Since
망각하니
합니다Formal
망각합니다

Present

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 망각하요망각합니다망각하망각한다

Past

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 망각핬어요망각핬습니다망각핬어망각핬다

Future & presumptive

해요체Polite합니다체Formal해체Casual한다체Plain
-겠-Will / must be 망각하겠어요망각하겠습니다망각하겠어망각하겠다
-을 것이다Going to 망각할 거예요망각할 것입니다망각할 거야망각할 것이다

Questions

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 망각하요?망각합니까?망각하?망각하니?
과거Past 망각핬어요?망각핬습니까?망각핬어?망각핬니?

Commands

해요체Polite합니다체Formal해체Casual한다체Plain
명령Do it 망각하세요망각하십시오망각하망각하라
청유Let's 망각하요망각합시다망각하망각하자

Negation

해요체Polite합니다체Formal해체Casual한다체Plain
안Not (short) 안 망각하요안 망각합니다안 망각하안 망각한다
-지 않다Not (long) 망각하지 않아요망각하지 않습니다망각하지 않아망각하지 않는다
못Cannot 못 망각하요못 망각합니다못 망각하못 망각한다

Honorific

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 망각하세요망각하십니다망각하셔망각하신다
과거Past 망각하셨어요망각하셨습니다망각하셨어망각하셨다

Modifying a noun

현재Present
망각하는
과거Past
망각한
미래Future
망각할
회상Used to
망각하던

Joining clauses

-고and
망각하고
-게-ly / so that
망각하게
-어서so / and then
망각하서
-으니까since
망각하니까
-으면if / when
망각하면
-지만but
망각하지만
-는데and / but (setting up)
망각하는데
-어도even if
망각하도

In progress

해요체Polite합니다체Formal해체Casual한다체Plain
현재Is doing 망각하고 있어요망각하고 있습니다망각하고 있어망각하고 있다
과거Was doing 망각하고 있었어요망각하고 있었습니다망각하고 있었어망각하고 있었다

Sentence patterns

In real sentences

책임감도 망각했습니다.

We forgot responsibility.

남자들이란 미소녀와 있으면 이성 따윈 망각하는 법이죠

Yes, men ignore reason when it comes to beautiful young women.

우리는 언제나 누군가의 삶을 바꿀 힘을 갖고 있음을 망각합니다.

We forget that the power to change someone's life is always in our hands.

그러나 미래의 자신이 현재의 자신과 동일하다는 것을 자주 망각합니다.

But we oftentimes forget that our future self is exactly the same person as our present self.

Common questions

How do you conjugate 망각하다 in Korean?

망각하다 (to forget (completely)) is 망각하요 in the polite 해요체, 망각합니다 in formal 합니다체, 망각하 in casual 반말 and 망각한다 in the plain written style. The past is 망각핬어요.

What is the past tense of 망각하다?

망각핬어요 in everyday polite speech, 망각핬습니다 formally. It is built from the 아/어 form 망각하 plus ㅆ, which is why an irregular stem shows its irregularity here.

Is 망각하다 a regular verb?

Yes. Its stem never changes shape: 망각합니다, 망각하, 망각하니 all keep 망각하 intact. Only the ending moves.

What TOPIK level is 망각하다?

It carries no TOPIK grade. That is a fact about the published word lists rather than about the word — it conjugates by exactly the same rules as everything else.

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.