고치다([go-chi-da/fix]) means to fix or repair. In polite speech, say 고쳐요([go-chyeo-yo]).
고쳤어요([go-chyeo-sseo-yo/fixed]) is the polite past form. Example: 핸드폰을 고쳤어요 (I fixed the phone).
고쳐야 해요([go-chyeo-ya hae-yo/have to fix]) means you must fix. Example: 지금 고쳐야 해요 (I have to fix it now).
고치다([go-chi-da/fix]) means "to fix". It is used when you repair something broken.
1. Daily: “자전거를 고쳐요 (ja-jeon-geo-reul go-chyeo-yo)”
2. Past: 고쳤어요([go-chyeo-sseo-yo/fixed]) fixed.
3. Duty: 고쳐야 해요([go-chyeo-ya hae-yo/have to fix]) have to fix.
4. Warning: 고치지 마세요([go-chi-ji ma-se-yo/don't fix]) don't fix.
A: What do you fix?
B: 자전거를 고쳐요. B: ja-jeon-geo-reul go-chyeo-yo.B: I fix the bicycle.
A: 왜 고쳐요? A: wae go-chyeo-yo?A: Why do you fix it?
B: 고장 나서 고쳐요. B: go-jang na-seo go-chyeo-yo.B: I fix it because it's broken. - 고치다([go-chi-da/fix])
A: Did you fix it yesterday?
B: 네, 고쳤어요. B: ne, go-chyeo-sseo-yo.B: Yes, I fixed it.
A: 뭘 고쳤어요? A: mwol go-chyeo-sseo-yo?A: What did you fix?
B: 핸드폰을 고쳤어요. B: haen-deu-po-neul go-chyeo-sseo-yo.B: I fixed the phone. - 고쳤어요([go-chyeo-sseo-yo/fixed])
A: When do you have to fix it?
B: 지금 고쳐야 해요. B: ji-geum go-chyeo-ya hae-yo.B: I have to fix it now.
A: 뭘 고쳐야 해요? A: mwol go-chyeo-ya hae-yo?A: What do you have to fix?
B: 수도관을 고쳐야 해요. B: su-do-gwa-neul go-chyeo-ya hae-yo.B: I have to fix the water pipe. - 고쳐야 해요([go-chyeo-ya hae-yo/have to fix])
• 고치다([go-chi-da/fix]) fix
- 고쳤어요([go-chyeo-sseo-yo/fixed]) fixed
- 고치고 싶어요([go-chi-go si-peo-yo/want to fix]) want to fix
- 고쳐야 해요([go-chyeo-ya hae-yo/have to fix]) have to fix
- 고치지 마세요([go-chi-ji ma-se-yo/don't fix]) don't fix