Verbseoul.
regular
고치다gochidato fix, to correct

To say to fix, to correct politely in the present tense, use 고쳐요 (goh-chyuh-yoh). Below is the full conjugation of 고치다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
고쳐
goh-chyuh
고쳐요
goh-chyuh-yoh
고칩니다
goh-cheem-nee-dah
Past
고쳤어
goh-chyuh-ssuh
고쳤어요
goh-chyuh-ssuh-yoh
고쳤습니다
goh-chyuh-sseum-nee-dah
Future
고칠 거야
goh-cheel- -guh-yah
고칠 거예요
goh-cheel- -guh-yae-yoh
고칠 겁니다
goh-cheel- -guhm-nee-dah

Other useful forms

Command Polite (세요)
고치세요
goh-chee-sae-yoh
Suggestion / Let's Polite (요)
고쳐요
goh-chyuh-yoh
Question Polite (요)
고쳐요?
goh-chyuh-yoh-?
Connective “and” — (고)
고치고
goh-chee-goh
Conditional “if” — (면)
고치면
goh-chee-myuhn
Noun form — (기)
고침
goh-cheem