올라오다([ol-la-o-da/come up]) means to move upward toward the speaker. In polite speech, say 올라와요([ol-la-wa-yo]) or 올라옵니다.
올라왔어요([ol-la-wa-sseo-yo/came up]) is the polite past form. Example: 조금 전에 2층으로 올라왔어요 (I just came up to the second floor).
올라와야 해요([ol-la-wa-ya hae-yo/have to come up]) means you must come up. Example: 위로 올라와야 해요 (You have to come up).
올라오다([ol-la-o-da/come up]) means "to come up". To move from a lower place to a higher place toward the speaker.
1. Daily: “올라와요? (ol-la-wa-yo)” Do you come up?
2. Past: 올라왔어요([ol-la-wa-sseo-yo/came up]) came up.
3. Duty: 올라와야 해요([ol-la-wa-ya hae-yo/have to come up]) have to come up.
4. Warning: 올라오지 마세요([ol-la-o-ji ma-se-yo/don't come up]) don't come up.
A: Where do you come up to?
B: 2층으로 올라와요. B: i-cheung-eu-ro ol-la-wa-yo.B: I come up to the second floor.
A: 혼자 올라와요? A: hon-ja ol-la-wa-yo?A: Do you come up alone?
B: 네, 엘리베이터 타고 올라와요. B: ne, el-li-be-i-teo ta-go ol-la-wa-yo.B: Yes, I come up by elevator. - 올라오다([ol-la-o-da/come up])
A: When did you come up?
B: 조금 전에 올라왔어요. B: jo-geum jeo-ne ol-la-wa-sseo-yo.B: I came up a moment ago.
A: 뭐 때문에 올라왔어요? A: mwo ttae-mu-ne ol-la-wa-sseo-yo?A: What did you come up for?
B: 서류 때문에 올라왔어요. B: seo-ryu ttae-mu-ne ol-la-wa-sseo-yo.B: I came up because of documents. - 올라왔어요([ol-la-wa-sseo-yo/came up])
A: Where do I have to come up to?
B: 3층 사무실로 올라와야 해요. B: sam-cheung sa-mu-sil-lo ol-la-wa-ya hae-yo.B: You have to come up to the 3rd floor office.
A: 언제 올라와야 해요? A: eon-je ol-la-wa-ya hae-yo?A: When do I have to come up?
B: 지금 바로 올라와야 해요. B: ji-geum ba-ro ol-la-wa-ya hae-yo.B: You have to come up right now. - 올라와야 해요([ol-la-wa-ya hae-yo/have to come up])
• 올라오다([ol-la-o-da/come up]) come up
- 올라왔어요([ol-la-wa-sseo-yo/came up]) came up
- 올라오고 싶어요([ol-la-o-go si-peo-yo/want to come up]) want to come up
- 올라와야 해요([ol-la-wa-ya hae-yo/have to come up]) have to come up
- 올라오지 마세요([ol-la-o-ji ma-se-yo/don't come up]) don't come up