노력하다 Korean verb conjugation

to strive

Every form of 노력하다 across the four speech levels. It is 여 irregular — 하다 and every verb built on it: 하다 → 하여 → 해요.

기본형Principal parts

The four forms the dictionary prints. Every other form on this page is derived from them.

관형사형Modifier
노력하는
아/어Infinitive
노력해
-으니Since
노력하니
합니다Formal
노력합니다

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.

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 노력해요노력합니다노력해노력한다

과거Past

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 노력했어요노력했습니다노력했어노력했다

미래·추측Future & presumptive

해요체Polite합니다체Formal해체Casual한다체Plain
-겠-Will / must be 노력하겠어요노력하겠습니다노력하겠어노력하겠다
-을 것이다Going to 노력할 거예요노력할 것입니다노력할 거야노력할 것이다

의문Questions

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 노력해요?노력합니까?노력해?노력하니?
과거Past 노력했어요?노력했습니까?노력했어?노력했니?

명령Commands

해요체Polite합니다체Formal해체Casual한다체Plain
명령Do it 노력하세요노력하십시오노력해노력해라
청유Let's 노력해요노력합시다노력해노력하자

부정Negation

해요체Polite합니다체Formal해체Casual한다체Plain
Not (short) 안 노력해요안 노력합니다안 노력해안 노력한다
-지 않다Not (long) 노력하지 않아요노력하지 않습니다노력하지 않아노력하지 않는다
Cannot 못 노력해요못 노력합니다못 노력해못 노력한다

높임Honorific

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 노력하세요노력하십니다노력하셔노력하신다
과거Past 노력하셨어요노력하셨습니다노력하셨어노력하셨다

관형사형Modifying a noun

현재Present
노력하는
과거Past
노력한
미래Future
노력할
회상Used to
노력하던

연결Joining clauses

-고and
노력하고
-게-ly / so that
노력하게
-어서so / and then
노력해서
-으니까since
노력하니까
-으면if / when
노력하면
-지만but
노력하지만
-는데and / but (setting up)
노력하는데
-어도even if
노력해도

진행In progress

해요체Polite합니다체Formal해체Casual한다체Plain
현재Is doing 노력하고 있어요노력하고 있습니다노력하고 있어노력하고 있다
과거Was doing 노력하고 있었어요노력하고 있었습니다노력하고 있었어노력하고 있었다

문형Sentence patterns

How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.

예문In real sentences

From the dictionary, each with its translation.

우리 모두 노력해야 합니다.

It will take us all.

그럼 무엇을 노력해야 할까요?

And how can we do it?

서로를 더 이해하려 노력합시다.

Let's have more understanding.

우리는 늘 노력했고, 지금도 하고 있죠.

We have, and they're still here.

자주 묻는 질문Common questions

How do you conjugate 노력하다 in Korean?

노력하다 (to strive) is 노력해요 in the polite 해요체, 노력합니다 in formal 합니다체, 노력해 in casual 반말 and 노력한다 in the plain written style. The past is 노력했어요.

What is the past tense of 노력하다?

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

Is 노력하다 irregular?

Yes — it is 여 irregular (여 불규칙). 하다 and every verb built on it: 하다 → 하여 → 해요. That is why the stem looks different in 노력하여 and 노력하니 but unchanged in 노력합니다.

What TOPIK level is 노력하다?

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.