Verbseoul.
하다 verb
용서하다yongseohadato forgive

To say to forgive politely in the present tense, use 용서해요 (yohng-suh-hae-yoh). Below is the full conjugation of 용서하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
용서해
yohng-suh-hae
용서해요
yohng-suh-hae-yoh
용서합니다
yohng-suh-hahm-nee-dah
Past
용서했어
yohng-suh-hae-ssuh
용서했어요
yohng-suh-hae-ssuh-yoh
용서했습니다
yohng-suh-hae-sseum-nee-dah
Future
용서할 거야
yohng-suh-hahl- -guh-yah
용서할 거예요
yohng-suh-hahl- -guh-yae-yoh
용서할 겁니다
yohng-suh-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
용서하세요
yohng-suh-hah-sae-yoh
Suggestion / Let's Polite (요)
용서해요
yohng-suh-hae-yoh
Question Polite (요)
용서해요?
yohng-suh-hae-yoh-?
Connective “and” — (고)
용서하고
yohng-suh-hah-goh
Conditional “if” — (면)
용서하면
yohng-suh-hah-myuhn
Noun form — (기)
용서함
yohng-suh-hahm