A2 to B1 – 문법 클리닉 – 현재 완료 또는 과거 단순
You must always use the Present perfect when the time of an action is not important or not specified.
You must always use the Simple past when details about the time or place that an action occurred are given or requested.
Do you know when to say: I have seen John, or I saw John?
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무엇?A2 to B1 - 문법 클리닉 - 현재 완료 또는 과거 단순
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언제?오후 3:15 - 4:15
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어디?방 7
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얼만큼요?무료