잘못했다

did wrong; made a mistake

→ 잘못하다
잘못 mistake, fault, wrongdoing + 했다 past tense
verb · past indicative Rare #21,820
did wrong; made a mistake
KO: 나는 잘못했다.
EN: I did wrong.
Conjugation of 잘못하다
Indicative past

데이, 잘못했다

Dae, I was wrong.

— 패왕별희 (1993)

내가 잘못했다

I was wrong.

— 장화, 홍련 (2003)

그래 엄마가 잘못했다

Yeah, Mom was wrong.

— 너자 (2019)

아니, 내가 잘못했다.

No, I was wrong.

— 퍼펙트 스트레인저 (2016)