입증하다

to prove

TOPIK 6 6급verb 동사regular 규칙Dictionary entry 단어

Principal parts

관형사형Modifier
입증하는
아/어Infinitive
입증하
-으니Since
입증하니
합니다Formal
입증합니다

Present

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 입증하요입증합니다입증하입증한다

Past

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 입증핬어요입증핬습니다입증핬어입증핬다

Future & presumptive

해요체Polite합니다체Formal해체Casual한다체Plain
-겠-Will / must be 입증하겠어요입증하겠습니다입증하겠어입증하겠다
-을 것이다Going to 입증할 거예요입증할 것입니다입증할 거야입증할 것이다

Questions

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 입증하요?입증합니까?입증하?입증하니?
과거Past 입증핬어요?입증핬습니까?입증핬어?입증핬니?

Commands

해요체Polite합니다체Formal해체Casual한다체Plain
명령Do it 입증하세요입증하십시오입증하입증하라
청유Let's 입증하요입증합시다입증하입증하자

Negation

해요체Polite합니다체Formal해체Casual한다체Plain
안Not (short) 안 입증하요안 입증합니다안 입증하안 입증한다
-지 않다Not (long) 입증하지 않아요입증하지 않습니다입증하지 않아입증하지 않는다
못Cannot 못 입증하요못 입증합니다못 입증하못 입증한다

Honorific

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 입증하세요입증하십니다입증하셔입증하신다
과거Past 입증하셨어요입증하셨습니다입증하셨어입증하셨다

Modifying a noun

현재Present
입증하는
과거Past
입증한
미래Future
입증할
회상Used to
입증하던

Joining clauses

-고and
입증하고
-게-ly / so that
입증하게
-어서so / and then
입증하서
-으니까since
입증하니까
-으면if / when
입증하면
-지만but
입증하지만
-는데and / but (setting up)
입증하는데
-어도even if
입증하도

In progress

해요체Polite합니다체Formal해체Casual한다체Plain
현재Is doing 입증하고 있어요입증하고 있습니다입증하고 있어입증하고 있다
과거Was doing 입증하고 있었어요입증하고 있었습니다입증하고 있었어입증하고 있었다

Sentence patterns

In real sentences

그의 증거는 사실을 입증하지 못했습니다.

His evidence didn't prove it.

이것을 입증해야 했습니다.

And we had to prove this.

연구 결과는 이 사실을 입증했는데 다른 점도 발견했습니다.

While their study showed this to be true, they found something else interesting.

이곳 실상을 입증할 증거야

We have to prove what's going on in here.

Common questions

How do you conjugate 입증하다 in Korean?

입증하다 (to prove) is 입증하요 in the polite 해요체, 입증합니다 in formal 합니다체, 입증하 in casual 반말 and 입증한다 in the plain written style. The past is 입증핬어요.

What is the past tense of 입증하다?

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

Is 입증하다 a regular verb?

Yes. Its stem never changes shape: 입증합니다, 입증하, 입증하니 all keep 입증하 intact. Only the ending moves.

What TOPIK level is 입증하다?

6급 — TOPIK 6, mastery.

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.