생각했던

thought, had thought

→ 생각하다

생각 thought, idea, opinion + 했 Past tense + 던 Retrospective modifier (past or ongoing past action/state)

verb · imperfect tense Rare #18,170

thought, had thought Used before a noun or 것 to describe something someone thought or expected in the past.

KO: 생각했던 것보다 훨씬 쉬워요.

EN: It’s much easier than I thought.

Conjugation of 생각하다

Indicative imperfect

생각했던

I think I was mistaken.

— 맥시멈 리스크 (1996)

Then I guess I should do what I originally had in mind.

— 주토피아 (2016)

It was different from what I expected.

— 색, 계 (2007)