청소하다([cheong-so-ha-da/clean]) is the basic verb for making a place tidy. In polite speech, say 청소해요([cheong-so-hae-yo]).
청소했어요([cheong-so-hae-sseo-yo/cleaned]) is the polite past form of 청소하다. Example: 어제 방을 청소했어요 (I cleaned the room yesterday).
청소해야 해요([cheong-so-hae-ya hae-yo/have to clean]) means you must clean. Example: 오늘 청소해야 해요 (I have to clean today).
청소하다([cheong-so-ha-da/clean]) means "to clean". It is used when making a place tidy.
1. Daily: “매일 청소해요 (mae-il cheong-so-hae-yo)”
2. Past: 청소했어요([cheong-so-hae-sseo-yo/cleaned]) cleaned.
3. Duty: 청소해야 해요([cheong-so-hae-ya hae-yo/have to clean]) have to clean.
4. Warning: 청소하지 마세요([cheong-so-ha-ji ma-se-yo/don't clean]) don't clean.
A: Do you clean every day?
B: 네, 매일 청소해요. B: ne, mae-il cheong-so-hae-yo.B: Yes, I clean every day.
A: 어디를 청소해요? A: eo-di-reul cheong-so-hae-yo?A: Where do you clean?
B: 방을 청소해요. B: bang-eul cheong-so-hae-yo.B: I clean the room. - 청소하다([cheong-so-ha-da/clean])
A: Did you clean yesterday?
B: 네, 청소했어요. B: ne, cheong-so-hae-sseo-yo.B: Yes, I cleaned.
A: 어디 청소했어요? A: eo-di cheong-so-hae-sseo-yo?A: Where did you clean?
B: 방을 청소했어요. B: bang-eul cheong-so-hae-sseo-yo.B: I cleaned the room. - 청소했어요([cheong-so-hae-sseo-yo/cleaned])
A: Do you have to clean today?
B: 네, 청소해야 해요. B: ne, cheong-so-hae-ya hae-yo.B: Yes, I have to clean.
A: 왜 청소해야 해요? A: wae cheong-so-hae-ya hae-yo?A: Why do you have to clean?
B: 손님이 와서 청소해야 해요. B: son-ni-mi wa-seo cheong-so-hae-ya hae-yo.B: I have to clean because guests are coming. - 청소해야 해요([cheong-so-hae-ya hae-yo/have to clean])
• 청소하다([cheong-so-ha-da/clean]) clean
- 청소했어요([cheong-so-hae-sseo-yo/cleaned]) cleaned
- 청소하고 싶어요([cheong-so-ha-go si-peo-yo/want to clean]) want to clean
- 청소해야 해요([cheong-so-hae-ya hae-yo/have to clean]) have to clean
- 청소하지 마세요([cheong-so-ha-ji ma-se-yo/don't clean]) don't clean