Verbseoul.
regular
잊다itda-2to forget

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

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
잊어
ee-chuh
잊어요
ee-chuh-yoh
잊습니다
eet-seum-nee-dah
Past
잊었어
ee-chuh-ssuh
잊었어요
ee-chuh-ssuh-yoh
잊었습니다
ee-chuh-sseum-nee-dah
Future
잊을 거야
ee-cheul- -guh-yah
잊을 거예요
ee-cheul- -guh-yae-yoh
잊을 겁니다
ee-cheul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
잊으세요
ee-cheu-sae-yoh
Suggestion / Let's Polite (요)
잊어요
ee-chuh-yoh
Question Polite (요)
잊어요?
ee-chuh-yoh-?
Connective “and” — (고)
잊고
eet-goh
Conditional “if” — (면)
잊으면
ee-cheu-myuhn
Noun form — (기)
잊음
ee-cheum