Chapter 11 情态动词与助动词.pptVIP

十、 “need+have+done” 表示本来需要做某事而没有做。“needn‘t+have+done”则表示“本来不需要做某事而做了”。 I needn‘t have bought so much wine—only five people came. 我本来没有必要买这么多酒，只来了五个人。 He need have hurried to the station. In that case, be wouldnt have missed the train. 他本来需要快点去车站，那样的话，他就不会误了火车。 1. He ___ you more help even though he was very busy. A. might have given B. might give C. may have given D. may give 2. ---I stayed at a hotel while in New York. ---Oh, did you? You ___ with Barbara. A. could have stayed B. could stay C. would stay D. must have stayed 3. ---There were already five people in the car but they managed to take me as well. ---It ___ a comfortable journey. A. can’t be B. shouldn’t be C. mustn’t have been D. couldn’t have been 4. As you worked late yesterday, you _____ have come this morning. A. needn’t B. mayn’t C. can’t D. mustn’t 5. --- Why didn’t you tell her the truth yesterday? --- I ____, but she _____ before I got there. A. did; would be away B. would; had been away C. had; went away D. would have; had left A D 6. We ___ last night, but we went to the concert instead. No wonder we failed in the quiz this morning. A must have studied B might study C should have studied D would study 7. Jenny __ have kept her word. I wonder why she changed her mind. A must B should C need D would 8. David __ be a policeman, for he’s much too short. A needn’t B can’t C should D may 9. My sister met him at the Grand Theatre yesterday afternoon, so he ___ your lecture. A couldn’t have attended B needn’t have attended C mustn’t have attended D shouldn’t have attended 10. I got up early that morning, but I ______ so because I had no work to do. A mustn’t have done B didn’t need to do C needn’t have done D can’t have done. * Chapter 11 助动词和情态动词 不同的“肯定”程度可按下列层次排列： He is at home. (事实) He must be at home.（非常肯定的推断） He could be at home.（很可能） He ought to be at