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Present Perfect vs Past Simple - Learn English Tenses (Lesson 4)
조회 수 91038 추천 수 0 2014.01.12 08:38:20Learn English Lesson.
In this English lesson you will find easy and clear explanations of when and how to use the present perfect (I have been doing) and past simple (I did).
This is part 4 of a series of videos to help you learn and master the tenses of the English language.