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1、 成人学位英语语法串讲-时态和语态1. 如何解答时态问题例1：Youve already missed too many classes this term. You _ just last week.A. missed B. would miss C. had missed D. have missed例2：Anne asked Tom _ the key.A. when he left B. where he had left C. how he left D. why did he left2. 与完成时有关的时态现在完成时 (have done) since, for/ in the
2、past few months, up to now例1：Collecting toy cars as a hobby becomes increasingly popular during the past fifty years.A B C D例2：English _ in a new way at my college in the past few years.A. has been taught B. was being taughtC. has been taught D. had been taught.过去完成时 (had done)例3：Anne asked Tom _ th
3、e key.A. when he left B. where he had left C. how he left D. why did he left例4：The chemistry class_ for five minutes when we hurried there.A. had been on B. had begun C. has been on D. would began将来完成时 (will have done) by例5：Were late I expect the film_ by the time we get to the cinema.A. had already
4、 started B. have alreadyC. will already have started D. have already been started.现在完成进行时 (have been doing)例6：It seems oil _ from this pipe for some time. Well have to take the machine apart to put it right.A. had leaked B. is leaking C. leaked D. has been leaking过去完成进行时 (had been doing) 将来完成进行时(wil
5、l have been doing )例7：By the time you arrive this evening, _for two hours.A. I will study B. I will have been studiedC. I had studied D. I will have been studying.3. 在时间和条件状语从句中不用将来时态用一般现在时代替一般将来时例1：When the mixture_, it will give off a powerful force.A. will heat B. will be heated C. is heated D. h
6、as heated例2：please be sure to telephone me the next time you _.A. will come B. would come C. shall come D. come用现在完成时代替将来完成时例3：Smith is to study medicine as soon as he_ military service.A. will finish B. has finished C. finish D. would finish注意：例4：No one can be sure if the car on display fits him or
7、 her until he or she_ them.A. tries B. will try C. are trying D. have tried4. 考试小窍门考试中如果遇到与完成时态相关的选项，要重点加以研读，一般说来是正确答案。1. 几个情态动词的否定式的含义 cant may not mustnt needt 2. 表示推测的几个情态动词用法 must表示肯定的推测，意思是“一定” +do 对现在情况的推测 must +have done 对过去情况的推测 例1：I _ asleep in the corner, for I remember nothing of what happened during the night. A. might fall B. must fall C. must have fallen D. can have fallen cant/couldt表示否定的推测，意思是“不可能” +do 对现在情况的推测 cant/couldnt +have done 对过去情况的推测 may/might not表示可能性很小的推测，意思是“也许” +do 对现在情况的推测 may/might +have done 对过去情况的推测 第1页
