Verbseoul.
regular
잊어버리다iteobeoridato forget

To say to forget politely in the present tense, use 잊어버려요 (ee-chuh-buh-ryuh-yoh). Below is the full conjugation of 잊어버리다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
잊어버려
ee-chuh-buh-ryuh
잊어버려요
ee-chuh-buh-ryuh-yoh
잊어버립니다
ee-chuh-buh-reem-nee-dah
Past
잊어버렸어
ee-chuh-buh-ryuh-ssuh
잊어버렸어요
ee-chuh-buh-ryuh-ssuh-yoh
잊어버렸습니다
ee-chuh-buh-ryuh-sseum-nee-dah
Future
잊어버릴 거야
ee-chuh-buh-reel- -guh-yah
잊어버릴 거예요
ee-chuh-buh-reel- -guh-yae-yoh
잊어버릴 겁니다
ee-chuh-buh-reel- -guhm-nee-dah

Other useful forms

Command Polite (세요)
잊어버리세요
ee-chuh-buh-ree-sae-yoh
Suggestion / Let's Polite (요)
잊어버려요
ee-chuh-buh-ryuh-yoh
Question Polite (요)
잊어버려요?
ee-chuh-buh-ryuh-yoh-?
Connective “and” — (고)
잊어버리고
ee-chuh-buh-ree-goh
Conditional “if” — (면)
잊어버리면
ee-chuh-buh-ree-myuhn
Noun form — (기)
잊어버림
ee-chuh-buh-reem