Verbseoul.
regular
잘못되다jalmotdoedato go wrong, to go awry

To say to go wrong, to go awry politely in the present tense, use 잘못돼요 (chahl-moh-ttwae-yoh). Below is the full conjugation of 잘못되다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
잘못돼
chahl-moh-ttwae
잘못돼요
chahl-moh-ttwae-yoh
잘못됩니다
chahl-moh-ttwaem-nee-dah
Past
잘못됐어
chahl-moh-ttwae-ssuh
잘못됐어요
chahl-moh-ttwae-ssuh-yoh
잘못됐습니다
chahl-moh-ttwae-sseum-nee-dah
Future
잘못될 거야
chahl-moh-ttwael- -guh-yah
잘못될 거예요
chahl-moh-ttwael- -guh-yae-yoh
잘못될 겁니다
chahl-moh-ttwael- -guhm-nee-dah

Other useful forms

Command Polite (세요)
잘못되세요
chahl-moh-ttwae-sae-yoh
Suggestion / Let's Polite (요)
잘못돼요
chahl-moh-ttwae-yoh
Question Polite (요)
잘못돼요?
chahl-moh-ttwae-yoh-?
Connective “and” — (고)
잘못되고
chahl-moh-ttwae-goh
Conditional “if” — (면)
잘못되면
chahl-moh-ttwae-myuhn
Noun form — (기)
잘못됨
chahl-moh-ttwaem