당연하다 Korean adjective conjugation
to be natural, to be reasonable
Every form of 당연하다 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
- 당연한
- 아/어Infinitive
- 당연해
- -으니Since
- 당연하니
- 합니다Formal
- 당연합니다
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.
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 서술Statement | 당연해요 | 당연합니다 | 당연해 | 당연하다 |
과거Past
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 서술Statement | 당연했어요 | 당연했습니다 | 당연했어 | 당연했다 |
미래·추측Future & presumptive
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| -겠-Will / must be | 당연하겠어요 | 당연하겠습니다 | 당연하겠어 | 당연하겠다 |
| -을 것이다Going to | 당연할 거예요 | 당연할 것입니다 | 당연할 거야 | 당연할 것이다 |
의문Questions
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 당연해요? | 당연합니까? | 당연해? | 당연하니? |
| 과거Past | 당연했어요? | 당연했습니까? | 당연했어? | 당연했니? |
부정Negation
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 안Not (short) | 안 당연해요 | 안 당연합니다 | 안 당연해 | 안 당연하다 |
| -지 않다Not (long) | 당연하지 않아요 | 당연하지 않습니다 | 당연하지 않아 | 당연하지 않다 |
높임Honorific
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 당연하세요 | 당연하십니다 | 당연하셔 | 당연하시다 |
| 과거Past | 당연하셨어요 | 당연하셨습니다 | 당연하셨어 | 당연하셨다 |
관형사형Modifying a noun
- 현재Present
- 당연한
- 과거Past
- 당연한
- 미래Future
- 당연할
- 회상Used to
- 당연하던
연결Joining clauses
- -고and
- 당연하고
- -게-ly / so that
- 당연하게
- -어서so / and then
- 당연해서
- -으니까since
- 당연하니까
- -으면if / when
- 당연하면
- -지만but
- 당연하지만
- -는데and / but (setting up)
- 당연한데
- -어도even if
- 당연해도
문형Sentence patterns
How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.
- 1이 당연하다
예문In real sentences
From the dictionary, each with its translation.
이게 당연하게 들리시죠?
This seems like common sense, right?
뭐, 당연한 일이잖아요?
How unlikely is that? I mean, pshhh.
하지만 그걸 당연하게 받아들여서는 안됩니다.
But we shouldn't take it for granted.
하지만 우린 이걸 너무나 당연한듯이 받아들이고있어요.
And we kind of take that for granted.
자주 묻는 질문Common questions
How do you conjugate 당연하다 in Korean?
당연하다 (to be natural, to be reasonable) is 당연해요 in the polite 해요체, 당연합니다 in formal 합니다체, 당연해 in casual 반말 and 당연하다 in the plain written style. The past is 당연했어요.
What is the past tense of 당연하다?
당연했어요 in everyday polite speech, 당연했습니다 formally. It is built from the 아/어 form 당연하여 plus ㅆ, which is why an irregular stem shows its irregularity here.
Is 당연하다 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 당연하여 and 당연하니 but unchanged in 당연합니다.
What TOPIK level is 당연하다?
3급 — TOPIK 3, lower intermediate.
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.