and then
-고 is also used to express that the action in the first clause was performed before the action in the second clause. It corresponds to 'and (then)' in English. Tense is only expressed in the second clause, not the first.
The form 'N도 Vst고 N도 V' is used when combining two or more facts about the same subject.
Used when the preceding and following statement happens in a sequential manner.
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