고 나서

Used to talk about a action ending then continuing to do another action. It shows that the first action is completely finished.

It is only used with action verbs with a clear beginning and end.

It is not used with 일어나다, 가다, 오다

Conjugation

All Tenses
AV (V) 가다 가고 나서서
AV (C) 먹다 먹고 나서서
Hada 하다 하고 나서

Example Conversation 1

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언제 숙제 했어요?
When did you do homework?

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샤워 하고 나서 했어요.
I showered and then did it.

Example Conversation 2

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수업 끝나고 나서 뭐 할 거예요?
After class is over what will you do?

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백화점에 쇼핑하러 갈 거예요.
I will go shopping at the department store.

Example Sentences

Polite

영화를 보고 나서 쇼핑을 합시다.
Let's watch a movie and then go shopping.

Casual

밥 먹고 나서 30분 후에 이 약을 먹어.
Eat and then after 30 minutes take this medicine.