굳히다 Korean verb conjugation
to harden, to solidify
Every form of 굳히다 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
- 굳히는
- 아/어Infinitive
- 굳혀
- -으니Since
- 굳히니
- 합니다Formal
- 굳힙니다
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 | 굳혀요 | 굳힙니다 | 굳혀 | 굳힌다 |
과거Past
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 서술Statement | 굳혔어요 | 굳혔습니다 | 굳혔어 | 굳혔다 |
미래·추측Future & presumptive
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| -겠-Will / must be | 굳히겠어요 | 굳히겠습니다 | 굳히겠어 | 굳히겠다 |
| -을 것이다Going to | 굳힐 거예요 | 굳힐 것입니다 | 굳힐 거야 | 굳힐 것이다 |
의문Questions
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 굳혀요? | 굳힙니까? | 굳혀? | 굳히니? |
| 과거Past | 굳혔어요? | 굳혔습니까? | 굳혔어? | 굳혔니? |
명령Commands
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 명령Do it | 굳히세요 | 굳히십시오 | 굳혀 | 굳혀라 |
| 청유Let's | 굳혀요 | 굳힙시다 | 굳혀 | 굳히자 |
부정Negation
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 안Not (short) | 안 굳혀요 | 안 굳힙니다 | 안 굳혀 | 안 굳힌다 |
| -지 않다Not (long) | 굳히지 않아요 | 굳히지 않습니다 | 굳히지 않아 | 굳히지 않는다 |
| 못Cannot | 못 굳혀요 | 못 굳힙니다 | 못 굳혀 | 못 굳힌다 |
높임Honorific
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 굳히세요 | 굳히십니다 | 굳히셔 | 굳히신다 |
| 과거Past | 굳히셨어요 | 굳히셨습니다 | 굳히셨어 | 굳히셨다 |
관형사형Modifying a noun
- 현재Present
- 굳히는
- 과거Past
- 굳힌
- 미래Future
- 굳힐
- 회상Used to
- 굳히던
연결Joining clauses
- -고and
- 굳히고
- -게-ly / so that
- 굳히게
- -어서so / and then
- 굳혀서
- -으니까since
- 굳히니까
- -으면if / when
- 굳히면
- -지만but
- 굳히지만
- -는데and / but (setting up)
- 굳히는데
- -어도even if
- 굳혀도
진행In progress
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Is doing | 굳히고 있어요 | 굳히고 있습니다 | 굳히고 있어 | 굳히고 있다 |
| 과거Was doing | 굳히고 있었어요 | 굳히고 있었습니다 | 굳히고 있었어 | 굳히고 있었다 |
문형Sentence patterns
How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.
- 1이 2를 굳히다
예문In real sentences
From the dictionary, each with its translation.
뼈의 고리가 카라파스의 가장자리를 굳힙니다.
A ring of bone solidifies the carapace’s edges.
사진에서 보듯이 틀에 넣어서 모양을 만들고 물을 사용해서 굳힙니다.
So we mold the blocks, as you can see in the photo, and we cure it using water steam.
저 개념을 굳히기 위해서 이 개념을 포함하는 하나의 문제를 더 봅시다.
Just to cement that idea, let's do one more practice example involving these concepts.
만리장성도 대부분 굳힌 흙으로 지어졌습니다. 하지만 계속 콘크리트로 교체되고 있지요.
Even large parts of the Great Wall of China have been built with rammed earth, but it's getting replaced by concrete.
자주 묻는 질문Common questions
How do you conjugate 굳히다 in Korean?
굳히다 (to harden, to solidify) is 굳혀요 in the polite 해요체, 굳힙니다 in formal 합니다체, 굳혀 in casual 반말 and 굳힌다 in the plain written style. The past is 굳혔어요.
What is the past tense of 굳히다?
굳혔어요 in everyday polite speech, 굳혔습니다 formally. It is built from the 아/어 form 굳혀 plus ㅆ, which is why an irregular stem shows its irregularity here.
Is 굳히다 a regular verb?
Yes. Its stem never changes shape: 굳힙니다, 굳혀, 굳히니 all keep 굳히 intact. Only the ending moves.
What TOPIK level is 굳히다?
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.