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1、持续性动词与现在完成时注意：凡是与for 和since的时间短语连用时，谓语动词一定是一个可持续性的动作。做有关句型转换练习时，要特别注意以下变化：短暂性动词 持续性动词arrive at(in)/get to/reachhave(has) been in (at)become/join/take part inhave(has) beenbegin/ starthave(has) been onborrow/lendhave(has) keptcomehave(has) been in /stayed /liveddiehave(has)been deadget to knowhave (h
2、as) known leave/ gohave(has)been awaybuyhave(has) had/ownedstart/begin to teachstart/begin to workhave(has) taughthave(has) worked例题分析：1. I bought a dictionary last week. I have had（owned） a dictionary for a week. 上星期，我买了一本字典。 我已经拥有一本字典一个星期了。2The old man died ten years ago. The old man has been dead
3、 for ten years. 这个老人十年前死的。 这个老人已经死了十年了。（表示过去发生的一个具体动作）（表示一种状态。）练习题一、 选择：1. They _ a new house last year. A. have bought B. bought C. have had D. buy2. The film _ for ten minutes. A. opened B. started C. has been on D. has begun 3. My father _ to Shanghai last week. He _ there for about a week. A. we
4、nt, has been B. went, has been in C. has gone, has been D. has gone, has gone4. Janet _ our school since September. A. left B. has left C. has been away D. leaves5. He _ the Party member for about ten years. He _ the Party in 1995. A. has been, has joined B. joined, has been C. has been, joined D. t
5、ook part in, has joined 二、句型转换：1. My brother became a policeman two years ago. My brother _ _ a policeman _ two years.2. Its 10 oclock now. We left at 9:30. We _ _ _ for half an hour. 3. My friend borrowed the book last Monday. My friend _ _ the book _ last Monday.4. Joy and I got to know each other
6、 in 2004. Joy and I _ _ each other _ 2004.5. She arrived here last night. She _ _ here _ last night. 6. The football match started 5 minutes ago. The football match _ _ _ _ 5 minutes.7. My uncle began to teach English in 1999. My uncle _ _ English _ about 6 years.8. Ben left Hon kong for the UK two weeks ago. Ben _ _ _ Hong Kong _ two weeks.9. Our parents began to work in the factory since 1980.Our parents _ _ in the factory _ 25 years.10. He has been a League Member for 2 years. He _ the League 2 years ago.