그랬다고

that (someone) did so, that it was so

→ 그렇다
그랬 Past tense + 다 Plain declarative ending + 고 And
verb · informal, past tense Rare #21,655
that (someone) did so, that it was so Used to quote or report a past statement.
KO: 네가 그랬다고 들었어.
EN: I heard that you did that.
Conjugation of 그렇다
Quotative past
그랬다고그랬대

깡패가 그랬다고 했잖아요

I told you the gangster did it, remember?

— 폴링 다운 (1993)

첫 경험 때 그랬다고?

You said that was your first experience?

— 그레이트 뷰티 (2013)

내가 그랬다고?

Did I say that?

— 저수지의 개들 (1992)

넌 내가 그랬다고 알고 있지만, 말을 하진 못 했어.

You knew I did it, but you couldn't say it.

— 해리 포터와 죽음의 성물 2 (2011)

안 그랬다고?

Didn't you say so?

— 똑바로 살아라 (1989)