KOREAN VERB

노력하다

to make an effort

Conjugation

Tap any form to hear it. The part that changes is in colour.

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현재 · now and habits: polite, formal and casual speech

Form	Polite	Formal	Casual
AffirmativeI make an effort
NegativeI don’t make an effort

과거 · finished actions: 갔어요, 갔습니다, 갔어

Form	Polite	Formal	Casual
AffirmativeI made an effort
NegativeI didn’t make an effort

미래 · plans and guesses: -(으)ㄹ 거예요

Form	Polite	Formal	Casual
AffirmativeI will make an effort
NegativeI won’t make an effort

높임말 · to or about an elder: the -시- forms

Form	Polite	Formal
PresentI make an effort (respectfully)
PastI made an effort (respectfully)
FutureI will make an effort (respectfully)

연결 어미 · and, so, if, because, but: joining two sentences

명령형 · -(으)세요, -(으)십시오, the casual form, -지 마세요

One sentence for each tense, the way people say it.

Present

저는 매일 한국어를 잘하려고 노력해요.

Every day I try hard to get good at Korean.
Past

작년에 살 빼려고 많이 노력했어요.

Last year I tried hard to lose weight.
Future

올해는 매일 일찍 일어나려고 노력할 거예요.

This year I'll try to get up early every day.
Honorific

아버지는 평생 가족을 위해 노력하셨어요.

Dad worked hard for the family all his life.
Connectives

노력하면 안 되는 일이 없어요.

If you try, there's nothing you can't do.
Requests and commands

포기하지 말고 조금만 더 노력하세요.

Don't give up; try a little harder.

노력 is the effort itself: 노력 끝에 is after much effort; 열심히 하다 is the everyday "work hard" and 애쓰다 is to strive.

The same pattern, on other verbs: 하다 verb.