学习目标 1. knowledge aims: get the students to review the modal verbs: might/ may; can/ could; will/ would; shall/ should; ought/ ought not to ; should / should not; have to ; don’t have to; needn’t mustn’t; 2. ability aims: enable students to use the modal verbs correctly. 重点难点 1. enable students to know the differences between them. i. 从a、b、c、d四个选项中，选出可以填入空白处的最佳选项。一、基础练习 1.he ___ have completed his work; otherwise, he wouldn't be enjoying himself by the seaside. a. should b. must c. wouldn't d. can't 2. i _____ have been more than six years old when the accident happened. a. shouldn't b. couldn't c. mustn't d. needn't 3. this cake is very sweet. you ____ a lot of sugar in it. a. should put b. could have put c. might put d. must have put 4. he paid for a seat, when he ____ have entered free. a. could b. would c. must d. need 5. i was on the highway when his car went past followed by a police car. they ____ at least 150 kilometers an hour. a. should have been doing b. must have been doing c. could have done d. would have done 9. --- catherine, i have cleaned the room for you. --- thanks. you _____ it. i could manage it myself. a. needn't do b. needn't have done c. mustn't do d. shouldn't have done 10. there_____ be any difficulty in passing the road test since you have practised a lot in the driving school. a. mustn't b. shan't c. shouldn't d. needn't 11----the woman biologist stayed in africa studying wild animals for 13 years before she returned. ----oh, dear! she ________ a lot of difficulties! a may go though b might go through c. ought to have gone through d. must have gone though 12. ----i've taken someone else's green sweater by mistake. ----it ______ harry's. he always wears green. a. has to be b. will be c. mustn't be d. could be 13. helen _______ go on the trip with us, but she isn't quite sure yet. a. shall b. must c. may d. can 14. if i ________ plan to do anything i wanted to, i'd like to go to tibet and travel through as much of it as possible. a. would b. could c have to d. ought to 15. you might just as well tell the manufacturer that male customers_____ not like the design of the furniture. a. must b. shall c. may d. need 16. ----who is the girl standing over there? ---- well, if you ______ know, her name is mabel. a. may b. can c. must d. shall 17. children under 12 years of age in that country______ be under adult supervision when in a public library. a. must b. may c. can d. need 18. "the interest ______ be divided into five parts, according to the agreement made by both sides," declared the judge. a. may b. should c. must d. shall 19. ---- i'll tell mary about her new job tomorrow. ----you _______ her last week. a. ought to tell b. would have told c. must tell d. should have told 23. ----excuse me. is that the right way to the summer palace? ----sorry, i'm not sure, but it ______ be. a. might b. will c. must d. can 24. ----mum, i've been studying english since 8 o'clock. ________ i go out and play with tom for a while? ----no, i'm afraid not. besides, it's raining outside now. a. can't b. wouldn't c. may not d. won't 25. i often see lights in that empty house. do you think i _____report it to the police? a. should b. may c. will d. can 26. mr. white_______ at 8:30 for the meeting, but he didn't show up. a. should have arrived b. should arrive c. should have had arrived d. should be arriving 27. you ________ be tired-you've only been working for an hour. a. must not b. won't c. can't d. may not 二、提高练习 1．--- shall i tell john about it? --- no, you ______. i’ve told him already. a. needn’t b. wouldn’t c. mustn’t d. shouldn’t 2. --- 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 3. --- why didn’t you come to see me? --- i ______, but i was too busy yesterday. a. like to b. should like to c. would like to have d. am going to 4. you can’t imagine that a well-behaved gentleman ______ be so rude to a lady. a. might b. need c. should d. would 5. there was plenty of time; she ______. a. mustn’t have hurried b.needn’t have hurried c.may not have hurried d.wouldn’t have hurried 6. --- is john coming by air? --- he should, but ______ not. he likes taking trains. a. must b. can c. need d. may 7. --- ______ it be li ping who broke the glass? --- no. it ______ be wang hai who did it. a. could; may b. can; can c. may; must d. can; must 8. when the old man was alive, he ______ sit for hours at the door. a. would b. could c. must d. might 9. jack, you ______ play with the knife; you ______ hurt yourself. a. won’t; can’t b. mustn’t; may c. shouldn’t; must d. can’t; should 10. i’ve decided to take the job and i ______ change my mind. a. mustn’t b. can’t c. won’t d. may not 11. she ______ into the thick forest alone on such a dark night. a. dares not go b. dares not to go c. dare not to go d. doesn’t dare to go 12. my parents never remember my telephone number, and they always ______ look it up. a. must b. can c. should d. have to 13. --- where is jack? i can’t find him anywhere. --- he ______ his homework upstairs. a. might have done b. must have done c. might be doing d. must do 14. he ______ you more help, even though he was very busy. a. might have given b. might give c. may have given d. may give 15. --- if he ______, he ______ that food. --- luckily he was sent to the hospital immediately. a. was warned; would not take b. had been warned; would not have taken c. would be warned; had not taken d. would have been warned; had not taken 16. --- i hear you've got a set of valuable australian coins. ____i have a look ? --- yes, certainly. a. do b. may c. shall d. should 17. — when can i come for the photos? i need them tomorrow afternoon. — they be ready by 12:00. a. can b. should c. might d. need 18. i___ such a mistake again. a. will never make b. shall never make c. can never do d. need never do 19. he began to write two hours ago. he ______ have finished the article now. a. must b. ought c. would d. had to 20. looking at my determined face, the big boy ______ pick up the fight. a. dares not b. dare not c. doesn't dare d. dares not to 21. — you know that you were driving 100 km an hour, don't you? — no officer, i ____. this car doesn't do more than 80. a. may not have been b. couldn't have been c. mustn't have been d. shouldn't have been 22. i think he could have joined us, but he ____ a. doesn't b. did c. didn't d. couldn't 23. — why ____ it rain now? i ____ go to the concert at 7. — what a pity! a. can, might not b. should, needn't c. must, can't d. need, mustn't 24. he was caught in the rain last night. that _____ his cold. a. can bring about b. ought to bring about c. should have brought about d. may have brought about 25. — did you visit the famous museum? — no, we ___, but we spent too much time shopping. a. could have visited b. must have visited c. can' t have visited d. shouldn't have visited 26. — you must phone us every week. — yes, i _____. a. must b. have to c. will d. should 27. don't throw the bottles away. they ____ in the future. a. may need b. are needed c. can be needing d. might be needed 28. english is a language that many people around the world ____ not speak perfectly but ___ at least understand. a. may, can b. would, might c. will, must d. could, might 29. — i wonder why mr. wang didn't attend the lecture. — he ____ another one. a. could have b. must have c. might have had d. should have had 30. he was taken away by the police. he ___ for a robber. a. must be mistaken b. was being mistaken c. must mistake d. must have been mistaken 31. — i wonder if i ____ smoke here. — no, you _______. could you see the sign "no smoking" there? a. can, needn't b. shall, won’t c. must, can't d. may, mustn't 32. — i haven't seen mr. white for weeks. — what _____ to him? a. must have happened b. may have happened c. can have happened d. may happen
