생각했지

thought, believed, thought about

→ 생각하다
생각 thought, idea, opinion + 했 Past tense + 지 Clause-ending marker for assertion or confirmation
verb · informal, past tense Uncommon #8,033
thought, believed The ending -지 adds a conversational, often reflective or confirmatory tone.
KO: 나도 그렇게 생각했지.
EN: I thought so too.
thought about The ending -지 adds a conversational, often reflective or confirmatory tone.
KO: 어젯밤에 가족을 생각했지.
EN: I thought about my family last night.
Conjugation of 생각하다

그럴 수 있다고 생각했지

I thought that could happen.

— 존 윅 4 (2023)

형, 또 그 여자 생각했지?

You were thinking about her again, weren't you?

— 델리카트슨 사람들 (1991)

일 다 끝났다고 생각했지?

You thought the work was done?

— 나우 유 씨 미 3 (2025)

어디선가 본 자 라고 생각했지

I thought you were someone I’d seen somewhere before.

— 무방비 도시 (1945)

알아, 덤블도어 라고 생각했지?

I know, you thought it was Dumbledore?

— 해리 포터와 죽음의 성물 2 (2011)

왜 군인 이라 생각했지?

Why did you think he was a soldier?

— 학살기관 (2017)

아주 오랫동안 생각했지

I thought about it for a very long time.

— 영원 (2025)

난 테시오가 아니라 클레멘자로 생각했지

I thought you were Clemenza, not Tessio.

— 대부 (1972)