现在完成时 和 现在完成进行时

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1、现在完成时：动作现在完成时：动作 发生在过去、发生在过去、已经已经 完成的动作完成的动作，强调强调 对现在有一定的影对现在有一定的影 响响。当然也可以表。当然也可以表 示持续到现在的动示持续到现在的动 作或者状态。构成作或者状态。构成 是：是：have/has +done现在完成进行时：现在完成进行时：动作开始于过去，动作开始于过去， 持续到现在，强调持续到现在，强调 动作动作现在现在正在进行正在进行 或者刚刚结束。或者刚刚结束。构构 成：成：have/has+ been+doing试比较：试比较： 1.We have been cleaning the classroom 2.We have

2、 cleaned the classroom第二组：第二组： 1.Helen has read a book about Stone. 2.Helen has been reading a book about Stone.做几个典型题。做几个典型题。 1. Now that you_ a famous mountain climber, what are you going to do? A. have been B. are C. were D. had beenKey:A 2. A: I am almost tired out.B:So you are. You_ on the docu

3、ments all day.A. are working B. have worked C. were working D. have been workingKey: D3. You dont need to describe her. I _her several times.A. had met B. have met C. met D. meetKey:B4. Mr. White works as a lawyer now, but he _as an actor for several years.A. worked B. has worked C. had worked D. had been workedKey:A5. I_ my washing machine the whole morning. I must get it done before noon.A. have repaired B. am repairing C. will repair D. have been repairingKey:D