확실하다 (to be certain, to be sure) · Korean verb conjugation

Conjugation

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

Form	Polite	Formal	Casual
AffirmativeI am certain
NegativeI am not certain

과거 · finished actions: 갔어요, 갔습니다, 갔어

Form	Polite	Formal	Casual
AffirmativeI was certain
NegativeI was not certain

미래 · plans and guesses: -(으)ㄹ 거예요

Form	Polite	Formal	Casual
AffirmativeI will be certain
NegativeI won’t be certain

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

Form	Polite	Formal
PresentI am certain (respectfully)
PastI was certain (respectfully)
FutureI will be certain (respectfully)

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

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

Present

그 가게가 오늘 여는 거 확실해요?

Are you sure that shop is open today?
Past

민준 씨 대답은 아주 확실했어요.

Min-jun's answer was very clear.
Future

내일이면 결과가 확실할 거예요.

By tomorrow the result will be certain.
Honorific

김 선생님은 약속 시간에 항상 확실하세요.

Mr. Kim is always reliable about appointment times.
Connectives

주소가 확실하니까 그냥 가도 돼요.

The address is certain, so we can just go.

The lessons that teach a form of it, and how they say it.

1

Advanced Level 2 · 먼저 확실하게 알고 싶었어.

Advanced Level 2 · 권리금은 없어요. 그건 확실해요.

The same pattern, on other verbs: descriptive verb.