Verbseoul.
regular
개봉되다gaebongdoedato have one's seal be broken

To say to have one's seal be broken politely in the present tense, use 개봉돼요 (gae-bohng-dwae-yoh). Below is the full conjugation of 개봉되다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
개봉돼
gae-bohng-dwae
개봉돼요
gae-bohng-dwae-yoh
개봉됩니다
gae-bohng-dwaem-nee-dah
Past
개봉됐어
gae-bohng-dwae-ssuh
개봉됐어요
gae-bohng-dwae-ssuh-yoh
개봉됐습니다
gae-bohng-dwae-sseum-nee-dah
Future
개봉될 거야
gae-bohng-dwael- -guh-yah
개봉될 거예요
gae-bohng-dwael- -guh-yae-yoh
개봉될 겁니다
gae-bohng-dwael- -guhm-nee-dah

Other useful forms

Command Polite (세요)
개봉되세요
gae-bohng-dwae-sae-yoh
Suggestion / Let's Polite (요)
개봉돼요
gae-bohng-dwae-yoh
Question Polite (요)
개봉돼요?
gae-bohng-dwae-yoh-?
Connective “and” — (고)
개봉되고
gae-bohng-dwae-goh
Conditional “if” — (면)
개봉되면
gae-bohng-dwae-myuhn
Noun form — (기)
개봉됨
gae-bohng-dwaem