못했죠

couldn't, was unable to

→ 못하다
auxiliary · informal, past tense Rare #26,704
couldn't, was unable to Often follows a verb ending in -지 to mean that someone could not do something.
KO: 어제는 너무 바빠서 숙제를 못했죠.
EN: I was too busy yesterday, so I couldn't do my homework.
Conjugation of 못하다
Potential past

아직 마님을 잊지 못했죠

You still haven't forgotten her, have you?

— 레베카 (1940)

그 아이는 어머니의 갑작스러운 죽음을 이해할 나이가 되지 못했죠.

The child was too young to understand their mother's sudden death.

— 스즈메의 문단속 (2022)