보내다([bo-nae-da/send]) is the basic verb for moving something to another place. In polite speech, say 보내요([bo-nae-yo]).
보냈어요([bo-nae-sseo-yo/sent]) is the polite past form of 보내다. Example: 문자를 보냈어요 (I sent a text message).
보내야 해요([bo-nae-ya hae-yo/have to send]) means you must send. Example: 서류를 보내야 해요 (I have to send the documents).
보내다([bo-nae-da/send]) means "to send". It is also used for spending time: 시간을 보내다 (to spend time).
1. Place: “편지를 보내요 (pyeon-ji-reul bo-nae-yo)”
2. Past: 보냈어요([bo-nae-sseo-yo/sent]) sent.
3. Duty: 보내야 해요([bo-nae-ya hae-yo/have to send]) have to send.
4. Warning: 보내지 마세요([bo-nae-ji ma-se-yo/don't send]) don't send.
A: What do you send?
B: 편지를 보내요. B: pyeon-ji-reul bo-nae-yo.B: I send a letter.
A: 누구에게 보내요? A: nu-gu-e-ge bo-nae-yo?A: Who do you send it to?
B: 친구에게 보내요. B: chin-gu-e-ge bo-nae-yo.B: I send it to my friend. - 보내다([bo-nae-da/send])
A: Did you send a letter?
B: 네, 보냈어요. B: ne, bo-nae-sseo-yo.B: Yes, I sent it.
A: 언제 보냈어요? A: eon-je bo-nae-sseo-yo?A: When did you send it?
B: 어제 보냈어요. B: eo-je bo-nae-sseo-yo.B: I sent it yesterday. - 보냈어요([bo-nae-sseo-yo/sent])
A: Do you have to send it now?
B: 네, 지금 보내야 해요. B: ne, ji-geum bo-nae-ya hae-yo.B: Yes, I have to send it now.
A: 뭐 보내야 해요? A: mwo bo-nae-ya hae-yo?A: What do you have to send?
B: 서류를 보내야 해요. B: seo-ryu-reul bo-nae-ya hae-yo.B: I have to send the documents. - 보내야 해요([bo-nae-ya hae-yo/have to send])
• 보내다([bo-nae-da/send]) send
- 보냈어요([bo-nae-sseo-yo/sent]) sent
- 보내고 싶어요([bo-nae-go si-peo-yo/want to send]) want to send
- 보내야 해요([bo-nae-ya hae-yo/have to send]) have to send
- 보내지 마세요([bo-nae-ji ma-se-yo/don't send]) don't send