Verbseoul.
regular
뉘우치다nwiuchidato repent, to regret

To say to repent, to regret politely in the present tense, use 뉘우쳐요 (nwee-oo-chyuh-yoh). Below is the full conjugation of 뉘우치다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
뉘우쳐
nwee-oo-chyuh
뉘우쳐요
nwee-oo-chyuh-yoh
뉘우칩니다
nwee-oo-cheem-nee-dah
Past
뉘우쳤어
nwee-oo-chyuh-ssuh
뉘우쳤어요
nwee-oo-chyuh-ssuh-yoh
뉘우쳤습니다
nwee-oo-chyuh-sseum-nee-dah
Future
뉘우칠 거야
nwee-oo-cheel- -guh-yah
뉘우칠 거예요
nwee-oo-cheel- -guh-yae-yoh
뉘우칠 겁니다
nwee-oo-cheel- -guhm-nee-dah

Other useful forms

Command Polite (세요)
뉘우치세요
nwee-oo-chee-sae-yoh
Suggestion / Let's Polite (요)
뉘우쳐요
nwee-oo-chyuh-yoh
Question Polite (요)
뉘우쳐요?
nwee-oo-chyuh-yoh-?
Connective “and” — (고)
뉘우치고
nwee-oo-chee-goh
Conditional “if” — (면)
뉘우치면
nwee-oo-chee-myuhn
Noun form — (기)
뉘우침
nwee-oo-cheem