자고 있었어

was sleeping

→ 자다
phrase Rare #28,055
was sleeping Casual speech; the subject may also be “I,” “you,” or “they,” depending on context.
KO: 나는 그때 자고 있었어.
EN: I was sleeping then.

아니야, 안 자고 있었어

No, I was still awake.

— Ballerina (2023)

자고 있었어

I was sleeping.

— 달콤한 인생 (1960)

자고 있었어?

Were you sleeping?

— 걸리 보이 (2019)

톰은 자기 차에서 자고 있었어.

Tom was sleeping in his car.