Verbseoul.
하다 verb (adj)
죄송하다joesonghadato be sorry, to feel apologetic

To say to be sorry, to feel apologetic politely in the present tense, use 죄송해요 (chwae-sohng-hae-yoh). Below is the full conjugation of 죄송하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
죄송해
chwae-sohng-hae
죄송해요
chwae-sohng-hae-yoh
죄송합니다
chwae-sohng-hahm-nee-dah
Past
죄송했어
chwae-sohng-hae-ssuh
죄송했어요
chwae-sohng-hae-ssuh-yoh
죄송했습니다
chwae-sohng-hae-sseum-nee-dah
Future
죄송할 거야
chwae-sohng-hahl- -guh-yah
죄송할 거예요
chwae-sohng-hahl- -guh-yae-yoh
죄송할 겁니다
chwae-sohng-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
죄송하세요
chwae-sohng-hah-sae-yoh
Suggestion / Let's Polite (요)
죄송해요
chwae-sohng-hae-yoh
Question Polite (요)
죄송해요?
chwae-sohng-hae-yoh-?
Connective “and” — (고)
죄송하고
chwae-sohng-hah-goh
Conditional “if” — (면)
죄송하면
chwae-sohng-hah-myuhn
Noun form — (기)
죄송함
chwae-sohng-hahm