Verbseoul.
regular
되다doedato become

To say to become politely in the present tense, use 돼요 (dwae-yoh). Below is the full conjugation of 되다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
dwae
돼요
dwae-yoh
됩니다
dwaem-nee-dah
Past
됐어
dwae-ssuh
됐어요
dwae-ssuh-yoh
됐습니다
dwae-sseum-nee-dah
Future
될 거야
dwael- -guh-yah
될 거예요
dwael- -guh-yae-yoh
될 겁니다
dwael- -guhm-nee-dah

Other useful forms

Command Polite (세요)
되세요
dwae-sae-yoh
Suggestion / Let's Polite (요)
돼요
dwae-yoh
Question Polite (요)
돼요?
dwae-yoh-?
Connective “and” — (고)
되고
dwae-goh
Conditional “if” — (면)
되면
dwae-myuhn
Noun form — (기)
dwaem