KOREAN VERB

사인하다

to sign

Conjugation

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

Form	Polite	Formal	Casual
AffirmativeI sign
NegativeI don’t sign

과거 · finished actions: 갔어요, 갔습니다, 갔어

Form	Polite	Formal	Casual
AffirmativeI signed
NegativeI didn’t sign

미래 · plans and guesses: -(으)ㄹ 거예요

Form	Polite	Formal	Casual
AffirmativeI will sign
NegativeI won’t sign

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

Form	Polite	Formal
PresentI sign (respectfully)
PastI signed (respectfully)
FutureI will sign (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

외국인은 여기에 이름을 쓰고 사인해요.

Foreigners write their name here and sign.
Past

어제 은행에서 서류 세 장에 사인했어요.

Yesterday at the bank I signed three papers.
Future

계약서는 내일 학교에서 사인할 거예요.

I'll sign the contract tomorrow at school.
Honorific

김 선생님, 이 서류에 사인하셨어요?

Mr. Kim, did you sign this paper?
Connectives

사인하면 통장을 바로 받을 수 있어요.

If you sign, you can get the bankbook right away.
Requests and commands

여기 아래에 이름을 쓰고 사인하세요.

Write your name here below and sign.