척하다 Korean verb conjugation

to pretend

Every form of 척하다 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
척하는
아/어Infinitive
척해
-으니Since
척하니
합니다Formal
척합니다

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 척해요척합니다척해척한다

과거Past

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 척했어요척했습니다척했어척했다

미래·추측Future & presumptive

해요체Polite합니다체Formal해체Casual한다체Plain
-겠-Will / must be 척하겠어요척하겠습니다척하겠어척하겠다
-을 것이다Going to 척할 거예요척할 것입니다척할 거야척할 것이다

의문Questions

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 척해요?척합니까?척해?척하니?
과거Past 척했어요?척했습니까?척했어?척했니?

명령Commands

해요체Polite합니다체Formal해체Casual한다체Plain
명령Do it 척하세요척하십시오척해척해라
청유Let's 척해요척합시다척해척하자

부정Negation

해요체Polite합니다체Formal해체Casual한다체Plain
Not (short) 안 척해요안 척합니다안 척해안 척한다
-지 않다Not (long) 척하지 않아요척하지 않습니다척하지 않아척하지 않는다
Cannot 못 척해요못 척합니다못 척해못 척한다

높임Honorific

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 척하세요척하십니다척하셔척하신다
과거Past 척하셨어요척하셨습니다척하셨어척하셨다

관형사형Modifying a noun

현재Present
척하는
과거Past
척한
미래Future
척할
회상Used to
척하던

연결Joining clauses

-고and
척하고
-게-ly / so that
척하게
-어서so / and then
척해서
-으니까since
척하니까
-으면if / when
척하면
-지만but
척하지만
-는데and / but (setting up)
척하는데
-어도even if
척해도

진행In progress

해요체Polite합니다체Formal해체Casual한다체Plain
현재Is doing 척하고 있어요척하고 있습니다척하고 있어척하고 있다
과거Was doing 척하고 있었어요척하고 있었습니다척하고 있었어척하고 있었다

예문In real sentences

From the dictionary, each with its translation.

경찰은 톰이 혼자인 척 했다고 믿고 있어.

The police believe Tom acted alone.

메리는 진짜 아픈 게 아니다. 그녀는 단지 그런 척하는 것이다.

Mary isn't really sick. She's only pretending to be.

저의 어머니인 척하는 이상한 여자에요.

It's some strange woman pretending to be my mother."

날 모른 척하던데

You pretended like we're strangers.

자주 묻는 질문Common questions

How do you conjugate 척하다 in Korean?

척하다 (to pretend) is 척해요 in the polite 해요체, 척합니다 in formal 합니다체, 척해 in casual 반말 and 척한다 in the plain written style. The past is 척했어요.

What is the past tense of 척하다?

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

Is 척하다 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 척하여 and 척하니 but unchanged in 척합니다.

What TOPIK level is 척하다?

5급 — TOPIK 5, advanced.

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.