망치다 Korean verb conjugation
to ruin
Every form of 망치다 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
- 망치는
- 아/어Infinitive
- 망쳐
- -으니Since
- 망치니
- 합니다Formal
- 망칩니다
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 | 망쳐요 | 망칩니다 | 망쳐 | 망친다 |
과거Past
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 서술Statement | 망쳤어요 | 망쳤습니다 | 망쳤어 | 망쳤다 |
미래·추측Future & presumptive
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| -겠-Will / must be | 망치겠어요 | 망치겠습니다 | 망치겠어 | 망치겠다 |
| -을 것이다Going to | 망칠 거예요 | 망칠 것입니다 | 망칠 거야 | 망칠 것이다 |
의문Questions
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 망쳐요? | 망칩니까? | 망쳐? | 망치니? |
| 과거Past | 망쳤어요? | 망쳤습니까? | 망쳤어? | 망쳤니? |
명령Commands
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 명령Do it | 망치세요 | 망치십시오 | 망쳐 | 망쳐라 |
| 청유Let's | 망쳐요 | 망칩시다 | 망쳐 | 망치자 |
부정Negation
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 안Not (short) | 안 망쳐요 | 안 망칩니다 | 안 망쳐 | 안 망친다 |
| -지 않다Not (long) | 망치지 않아요 | 망치지 않습니다 | 망치지 않아 | 망치지 않는다 |
| 못Cannot | 못 망쳐요 | 못 망칩니다 | 못 망쳐 | 못 망친다 |
높임Honorific
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 망치세요 | 망치십니다 | 망치셔 | 망치신다 |
| 과거Past | 망치셨어요 | 망치셨습니다 | 망치셨어 | 망치셨다 |
관형사형Modifying a noun
- 현재Present
- 망치는
- 과거Past
- 망친
- 미래Future
- 망칠
- 회상Used to
- 망치던
연결Joining clauses
- -고and
- 망치고
- -게-ly / so that
- 망치게
- -어서so / and then
- 망쳐서
- -으니까since
- 망치니까
- -으면if / when
- 망치면
- -지만but
- 망치지만
- -는데and / but (setting up)
- 망치는데
- -어도even if
- 망쳐도
진행In progress
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Is doing | 망치고 있어요 | 망치고 있습니다 | 망치고 있어 | 망치고 있다 |
| 과거Was doing | 망치고 있었어요 | 망치고 있었습니다 | 망치고 있었어 | 망치고 있었다 |
문형Sentence patterns
How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.
- 1이 2를 망치다
예문In real sentences
From the dictionary, each with its translation.
그래서 결국 결과를 망치게 되죠.
The end result is that we mess up.
제가 훈련을 망칠 수도 있다는 말이었죠.
I’d potentially cause a disruption.
최종 결과는 결국 하려던 것을 실수하고 망치게 되죠.
The end result is that we actually screw up.
자, 망쳐버리세요. 그러면 당신은 발전할 수 있어요.
So do it badly, and you can improve as you go along.
자주 묻는 질문Common questions
How do you conjugate 망치다 in Korean?
망치다 (to ruin) is 망쳐요 in the polite 해요체, 망칩니다 in formal 합니다체, 망쳐 in casual 반말 and 망친다 in the plain written style. The past is 망쳤어요.
What is the past tense of 망치다?
망쳤어요 in everyday polite speech, 망쳤습니다 formally. It is built from the 아/어 form 망쳐 plus ㅆ, which is why an irregular stem shows its irregularity here.
Is 망치다 a regular verb?
Yes. Its stem never changes shape: 망칩니다, 망쳐, 망치니 all keep 망치 intact. Only the ending moves.
What TOPIK level is 망치다?
4급 — TOPIK 4, upper 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.