词和情态动词备用.ppt

20. The fire spread through the hotel very quickly but everyone ___ get out. A. had to B. would C. was able to D. could C * 21. Jack ___ yet, otherwise he would have telephoned me. A. mustn’t have arrived B. shouldn’t have arrived C. can’t have arrived D. needn’t have arrived C * 22.When he was there, he ___ go to that coffee shop at the corner after work everyday. A. would B. should C. had better D. might A * 23. Sir, you ___ be sitting in this waiting room. It is for woman and children only. A. oughtn’t to B. can’t C. won’t D. needn’t A * 24. It’s nearly seven o’clock. Jack ___ be here at any moment. A. must B. need C. should D. can 25. I wonder how he ___ that to the teacher. A. dare to say B. dare saying C. not dare say D. dared say C D * 26. I told Sally how to get here, but perhaps I ____ for her. A. had to write it out B. must have written it out C. should have written it out D. ought to write it out C * 27. Michael ___ be a policeman, for he is much too short. A. needn’t B. can’t C. should D. may B * suggestions: could / may /might, shall necessity: must, have to, have got to, need advice: ought to, had better * Modal Verbs possibility: can / could, may / might certainty: must, will, should ability: can / could, be able to permission: can / could, may / might requests: can / could, will / would * 3) ought to have done sth./should have done sth.本应该做某事,而事实上并没有做; 否定句表示“不该做某事而做了”。 e.g. You ought to (should) have been more careful in this experiment. He ought not to have thrown the old clothes away.(事实上已扔了。) 注: ought to 在语气上比should 要强。 * 4) needn’t have done sth. 本没必要做某事 e.g. I dressed very warmly for the trip, but I nee