끓이다 Korean verb conjugation
to boil something
Every form of 끓이다 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
- 끓이는
- 아/어Infinitive
- 끓여
- -으니Since
- 끓이니
- 합니다Formal
- 끓입니다
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 | 끓여요 | 끓입니다 | 끓여 | 끓인다 |
과거Past
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 서술Statement | 끓였어요 | 끓였습니다 | 끓였어 | 끓였다 |
미래·추측Future & presumptive
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| -겠-Will / must be | 끓이겠어요 | 끓이겠습니다 | 끓이겠어 | 끓이겠다 |
| -을 것이다Going to | 끓일 거예요 | 끓일 것입니다 | 끓일 거야 | 끓일 것이다 |
의문Questions
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 끓여요? | 끓입니까? | 끓여? | 끓이니? |
| 과거Past | 끓였어요? | 끓였습니까? | 끓였어? | 끓였니? |
명령Commands
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 명령Do it | 끓이세요 | 끓이십시오 | 끓여 | 끓여라 |
| 청유Let's | 끓여요 | 끓입시다 | 끓여 | 끓이자 |
부정Negation
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 안Not (short) | 안 끓여요 | 안 끓입니다 | 안 끓여 | 안 끓인다 |
| -지 않다Not (long) | 끓이지 않아요 | 끓이지 않습니다 | 끓이지 않아 | 끓이지 않는다 |
| 못Cannot | 못 끓여요 | 못 끓입니다 | 못 끓여 | 못 끓인다 |
높임Honorific
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 끓이세요 | 끓이십니다 | 끓이셔 | 끓이신다 |
| 과거Past | 끓이셨어요 | 끓이셨습니다 | 끓이셨어 | 끓이셨다 |
관형사형Modifying a noun
- 현재Present
- 끓이는
- 과거Past
- 끓인
- 미래Future
- 끓일
- 회상Used to
- 끓이던
연결Joining clauses
- -고and
- 끓이고
- -게-ly / so that
- 끓이게
- -어서so / and then
- 끓여서
- -으니까since
- 끓이니까
- -으면if / when
- 끓이면
- -지만but
- 끓이지만
- -는데and / but (setting up)
- 끓이는데
- -어도even if
- 끓여도
진행In progress
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Is doing | 끓이고 있어요 | 끓이고 있습니다 | 끓이고 있어 | 끓이고 있다 |
| 과거Was doing | 끓이고 있었어요 | 끓이고 있었습니다 | 끓이고 있었어 | 끓이고 있었다 |
문형Sentence patterns
How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.
- 1이 2를 끓이다
예문In real sentences
From the dictionary, each with its translation.
끓일 물을 가져다 줘.
Bring the water to a boil.
물은 다 끓여 놨겠지?
Isn't it boiling yet?
너무 끓이면 맛이 별로야
Nobody enjoys over-boiled tea.
커피 좀 끓일 건데 오실래요?
I was just going to make some coffee. Do you want to come over?
자주 묻는 질문Common questions
How do you conjugate 끓이다 in Korean?
끓이다 (to boil something) is 끓여요 in the polite 해요체, 끓입니다 in formal 합니다체, 끓여 in casual 반말 and 끓인다 in the plain written style. The past is 끓였어요.
What is the past tense of 끓이다?
끓였어요 in everyday polite speech, 끓였습니다 formally. It is built from the 아/어 form 끓여 plus ㅆ, which is why an irregular stem shows its irregularity here.
Is 끓이다 a regular verb?
Yes. Its stem never changes shape: 끓입니다, 끓여, 끓이니 all keep 끓이 intact. Only the ending moves.
What TOPIK level is 끓이다?
2급 — TOPIK 2, elementary.
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.