더하다 Korean adjective conjugation
to be more than
Every form of 더하다 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
- 더한
- 아/어Infinitive
- 더하
- -으니Since
- 더하니
- 합니다Formal
- 더합니다
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 | 더하요 | 더합니다 | 더하 | 더하다 |
과거Past
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 서술Statement | 더핬어요 | 더핬습니다 | 더핬어 | 더핬다 |
미래·추측Future & presumptive
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| -겠-Will / must be | 더하겠어요 | 더하겠습니다 | 더하겠어 | 더하겠다 |
| -을 것이다Going to | 더할 거예요 | 더할 것입니다 | 더할 거야 | 더할 것이다 |
의문Questions
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 더하요? | 더합니까? | 더하? | 더하니? |
| 과거Past | 더핬어요? | 더핬습니까? | 더핬어? | 더핬니? |
부정Negation
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 안Not (short) | 안 더하요 | 안 더합니다 | 안 더하 | 안 더하다 |
| -지 않다Not (long) | 더하지 않아요 | 더하지 않습니다 | 더하지 않아 | 더하지 않다 |
높임Honorific
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 더하세요 | 더하십니다 | 더하셔 | 더하시다 |
| 과거Past | 더하셨어요 | 더하셨습니다 | 더하셨어 | 더하셨다 |
관형사형Modifying a noun
- 현재Present
- 더한
- 과거Past
- 더한
- 미래Future
- 더할
- 회상Used to
- 더하던
연결Joining clauses
- -고and
- 더하고
- -게-ly / so that
- 더하게
- -어서so / and then
- 더하서
- -으니까since
- 더하니까
- -으면if / when
- 더하면
- -지만but
- 더하지만
- -는데and / but (setting up)
- 더한데
- -어도even if
- 더하도
문형Sentence patterns
How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.
- 1이 2에 3을 더하다
- 1이 2를 더하다
- 1이 더하다
예문In real sentences
From the dictionary, each with its translation.
조금 더 해보도록 하지요.
Let me just see that a little bit. Ready, and go.
두 가지 얘기를 더 해드리죠.
Let me tell you two other stories today.
더 할 수 있을지도 모르겠습니다.
Maybe some of these conversations can continue.
무언가를 서로 더한다는 말입니다.
It's something you plus together.
자주 묻는 질문Common questions
How do you conjugate 더하다 in Korean?
더하다 (to be more than) is 더하요 in the polite 해요체, 더합니다 in formal 합니다체, 더하 in casual 반말 and 더하다 in the plain written style. The past is 더핬어요.
What is the past tense of 더하다?
더핬어요 in everyday polite speech, 더핬습니다 formally. It is built from the 아/어 form 더하 plus ㅆ, which is why an irregular stem shows its irregularity here.
Is 더하다 a regular verb?
Yes. Its stem never changes shape: 더합니다, 더하, 더하니 all keep 더하 intact. Only the ending moves.
What TOPIK level is 더하다?
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.