거들다 Korean verb conjugation
to help, to assist
Every form of 거들다 across the four speech levels. It is ㄹ dropping — ㄹ drops before ㄴ, ㅂ and ㅅ: 살다 → 삽니다. Regular, but universal.
기본형Principal parts
The four forms the dictionary prints. Every other form on this page is derived from them.
- 관형사형Modifier
- 거드는
- 아/어Infinitive
- 거들어
- -으니Since
- 거드니
- 합니다Formal
- 거듭니다
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 | 거들어요 | 거듭니다 | 거들어 | 거든다 |
과거Past
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 서술Statement | 거들었어요 | 거들었습니다 | 거들었어 | 거들었다 |
미래·추측Future & presumptive
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| -겠-Will / must be | 거들겠어요 | 거들겠습니다 | 거들겠어 | 거들겠다 |
| -을 것이다Going to | 거들 거예요 | 거들 것입니다 | 거들 거야 | 거들 것이다 |
의문Questions
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 거들어요? | 거듭니까? | 거들어? | 거드니? |
| 과거Past | 거들었어요? | 거들었습니까? | 거들었어? | 거들었니? |
명령Commands
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 명령Do it | 거드세요 | 거드십시오 | 거들어 | 거들어라 |
| 청유Let's | 거들어요 | 거듭시다 | 거들어 | 거들자 |
부정Negation
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 안Not (short) | 안 거들어요 | 안 거듭니다 | 안 거들어 | 안 거든다 |
| -지 않다Not (long) | 거들지 않아요 | 거들지 않습니다 | 거들지 않아 | 거들지 않는다 |
| 못Cannot | 못 거들어요 | 못 거듭니다 | 못 거들어 | 못 거든다 |
높임Honorific
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 거드세요 | 거드십니다 | 거드셔 | 거드신다 |
| 과거Past | 거드셨어요 | 거드셨습니다 | 거드셨어 | 거드셨다 |
관형사형Modifying a noun
- 현재Present
- 거드는
- 과거Past
- 거든
- 미래Future
- 거들
- 회상Used to
- 거들던
연결Joining clauses
- -고and
- 거들고
- -게-ly / so that
- 거들게
- -어서so / and then
- 거들어서
- -으니까since
- 거드니까
- -으면if / when
- 거들면
- -지만but
- 거들지만
- -는데and / but (setting up)
- 거드는데
- -어도even if
- 거들어도
진행In progress
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Is doing | 거들고 있어요 | 거들고 있습니다 | 거들고 있어 | 거들고 있다 |
| 과거Was doing | 거들고 있었어요 | 거들고 있었습니다 | 거들고 있었어 | 거들고 있었다 |
문형Sentence patterns
How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.
- 1이 2를 거들다
예문In real sentences
From the dictionary, each with its translation.
사실 우리는 이미 조금씩 거들고 있습니다.
Now, we have a little bit of help already.
손을 좀 거들고 있어.
What are you doing here? - Just lending a hand.
나도 거들었어요 우린 친구죠
I helped them. They're friends of mine.
청소나 거들라고 만드는 거야
Help to clean up around the house.
자주 묻는 질문Common questions
How do you conjugate 거들다 in Korean?
거들다 (to help, to assist) is 거들어요 in the polite 해요체, 거듭니다 in formal 합니다체, 거들어 in casual 반말 and 거든다 in the plain written style. The past is 거들었어요.
What is the past tense of 거들다?
거들었어요 in everyday polite speech, 거들었습니다 formally. It is built from the 아/어 form 거들어 plus ㅆ, which is why an irregular stem shows its irregularity here.
Is 거들다 irregular?
Yes — it is ㄹ dropping (ㄹ 탈락). ㄹ drops before ㄴ, ㅂ and ㅅ: 살다 → 삽니다. Regular, but universal. That is why the stem looks different in 거들어 and 거드니 but unchanged in 거듭니다.
What TOPIK level is 거들다?
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.