UNIT 13 Present perfect and past 1 (I have done and I did) 현재 완료와 과거 시제 1UNIT 14 Present perfect and past 2 (I have done and I did) 현재 완료와 과거 시제 2UNIT 13 - Present perfect and past 1 (I have done and I did) A: Example and Comparison of Present Perfect and Past Simple Example Situation: 현재 상황 - Tom이 열쇠를 찾고 있음Tom is looking for his key. He can’t find it.톰은 열쇠를 찾고 있지만, 열쇠를 못 찾고 있다. He has lost his ..
