들어오다([deu-reo-o-da/come in]) is the basic verb for moving inside toward the speaker. In polite speech, say 들어와요([deu-reo-wa-yo]).
들어왔어요([deu-reo-wa-sseo-yo/came in]) is the polite past form of 들어오다. Example: 방에 들어왔어요 (I came into the room).
들어와야 해요([deu-reo-wa-ya hae-yo/have to come in]) means you must come in. Example: 빨리 들어와야 해요 (I have to come in quickly).
들어오다([deu-reo-o-da/come in]) means "to come in". It is used when moving inside toward the speaker.
1. Move: “방에 들어와요 (bang-e deu-reo-wa-yo)”
2. Past: 들어왔어요([deu-reo-wa-sseo-yo/came in]) came in.
3. Duty: 들어와야 해요([deu-reo-wa-ya hae-yo/have to come in]) have to come in.
4. Warning: 들어오지 마세요([deu-reo-o-ji ma-se-yo/don't come in]) don't come in.
A: May I come in?
B: 네, 들어와요. B: ne, deu-reo-wa-yo.B: Yes, come in.
A: 방에 들어와요? A: bang-e deu-reo-wa-yo?A: Do you come into the room?
B: 네, 방에 들어와요. B: ne, bang-e deu-reo-wa-yo.B: Yes, I come into the room. - 들어오다([deu-reo-o-da/come in])
A: Did you come into the room?
B: 네, 들어왔어요. B: ne, deu-reo-wa-sseo-yo.B: Yes, I came in.
A: 언제 들어왔어요? A: eon-je deu-reo-wa-sseo-yo?A: When did you come in?
B: 조금 전에 들어왔어요. B: jo-geum jeo-ne deu-reo-wa-sseo-yo.B: I came in a little while ago. - 들어왔어요([deu-reo-wa-sseo-yo/came in])
A: Do you have to come in now?
B: 네, 들어와야 해요. B: ne, deu-reo-wa-ya hae-yo.B: Yes, I have to come in.
A: 왜 들어와야 해요? A: wae deu-reo-wa-ya hae-yo?A: Why do you have to come in?
B: 회의가 있어서 들어와야 해요. B: hoe-ui-ga i-sseo-seo deu-reo-wa-ya hae-yo.B: I have to come in because of a meeting. - 들어와야 해요([deu-reo-wa-ya hae-yo/have to come in])
• 들어오다([deu-reo-o-da/come in]) come in
- 들어왔어요([deu-reo-wa-sseo-yo/came in]) came in
- 들어오고 싶어요([deu-reo-o-go si-peo-yo/want to come in]) want to come in
- 들어와야 해요([deu-reo-wa-ya hae-yo/have to come in]) have to come in
- 들어오지 마세요([deu-reo-o-ji ma-se-yo/don't come in]) don't come in