축적하다 Korean verb conjugation

to accumulate

Every form of 축적하다 across the four speech levels. It is a regular stem, so the endings below attach without changing it.

기본형Principal parts

The four forms the dictionary prints. Every other form on this page is derived from them.

관형사형Modifier
축적하는
아/어Infinitive
축적하
-으니Since
축적하니
합니다Formal
축적합니다

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 축적하요축적합니다축적하축적한다

과거Past

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 축적핬어요축적핬습니다축적핬어축적핬다

미래·추측Future & presumptive

해요체Polite합니다체Formal해체Casual한다체Plain
-겠-Will / must be 축적하겠어요축적하겠습니다축적하겠어축적하겠다
-을 것이다Going to 축적할 거예요축적할 것입니다축적할 거야축적할 것이다

의문Questions

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 축적하요?축적합니까?축적하?축적하니?
과거Past 축적핬어요?축적핬습니까?축적핬어?축적핬니?

명령Commands

해요체Polite합니다체Formal해체Casual한다체Plain
명령Do it 축적하세요축적하십시오축적하축적하라
청유Let's 축적하요축적합시다축적하축적하자

부정Negation

해요체Polite합니다체Formal해체Casual한다체Plain
Not (short) 안 축적하요안 축적합니다안 축적하안 축적한다
-지 않다Not (long) 축적하지 않아요축적하지 않습니다축적하지 않아축적하지 않는다
Cannot 못 축적하요못 축적합니다못 축적하못 축적한다

높임Honorific

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 축적하세요축적하십니다축적하셔축적하신다
과거Past 축적하셨어요축적하셨습니다축적하셨어축적하셨다

관형사형Modifying a noun

현재Present
축적하는
과거Past
축적한
미래Future
축적할
회상Used to
축적하던

연결Joining clauses

-고and
축적하고
-게-ly / so that
축적하게
-어서so / and then
축적하서
-으니까since
축적하니까
-으면if / when
축적하면
-지만but
축적하지만
-는데and / but (setting up)
축적하는데
-어도even if
축적하도

진행In progress

해요체Polite합니다체Formal해체Casual한다체Plain
현재Is doing 축적하고 있어요축적하고 있습니다축적하고 있어축적하고 있다
과거Was doing 축적하고 있었어요축적하고 있었습니다축적하고 있었어축적하고 있었다

문형Sentence patterns

How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.

예문In real sentences

From the dictionary, each with its translation.

그리고 엄청난 양의 부를 축적했죠.

And made an absolute fortune.

경험을 축적하다

to gain experience

매번 시도할 때마다 우리는 우리의 시각에서 정보를 더 축적합니다.

Every time we try, we just get more information from our perspective.

그 다음 데이터를 축적해 확인해야 하고요.

And then we've got to gather our data and then go verify.

자주 묻는 질문Common questions

How do you conjugate 축적하다 in Korean?

축적하다 (to accumulate) is 축적하요 in the polite 해요체, 축적합니다 in formal 합니다체, 축적하 in casual 반말 and 축적한다 in the plain written style. The past is 축적핬어요.

What is the past tense of 축적하다?

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

Is 축적하다 a regular verb?

Yes. Its stem never changes shape: 축적합니다, 축적하, 축적하니 all keep 축적하 intact. Only the ending moves.

What TOPIK level is 축적하다?

It carries no TOPIK grade. That is a fact about the published word lists rather than about the word — it conjugates by exactly the same rules as everything else.

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.