V + -다가 (-았/었다가) – While Doing... (Interrupted) / After Doing, Then...
Meaning: While doing... (another action interrupts); did... and then reversed/changed
Conjugation & Pattern
- Ongoing action interrupted or shifted: V + -다가 (contracted: -다)
- Completed action followed by a reversal/new event: V + -았/었다가
Detailed Usage
(1) 'V + -다가': An ongoing action in the first clause is interrupted or shifts to another action/event in the second clause. (2) 'V + -았/었다가': The first action is completed, and then another (often opposite) action takes place (e.g., wrote a letter and then tore it up).
Example Sentences
- 1
집을 청소하다가 잃어버린 열쇠를 찾았어요.
Jibeul cheongsohadaga ileobeorin yeolsoereul chajasseoyo.
While cleaning the house, I found the lost key.
- 2
그 친구는 편지를 썼다가 마음에 안 들어서 찢어 버렸어요.
Geu chinguneun pyeonjireul sseotdaga maeume an deureoseo jjijeo beoryeosseoyo.
My friend wrote the letter and then tore it up because he didn't like it.
- 3
전화를 걸려다가 너무 늦어서 못 걸었습니다.
Jeonhwareul geollyeodaga neomu neujeoseo mot georeotseumnida.
I was about to make a phone call, but it was too late so I couldn't.
Important Notes
Typically, the subject of both clauses must be the same. A common related contraction is '-(으)려다가' (was about to do something, but ended up not doing it).