情态动词小练
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情态动词小练(一)1. —______ it be Li Ping who broke the glass?—No. It ______ be Wu Dong who did it.A. Can; mustB. Must; needC. May; mustD. Need; can2. —Don’t forget to visit me when you come to Beijing.—______.A. I don’tB. I won’tC. I can’tD. I haven’t3. —Could I use your bike?—Y es, surely you ______.A. mightB. willC. canD. should4. Her brother ______ be at home now, because he was seen playing basketball in the stadium just now.A. mustn’tB. needn’tC. can’tD. shouldn’t5. —When can you get my car repaired? I need it tomorrow morning.—It ______ be ready by 8:00.A. canB. needC. mightD. should6. —Are you coming for dinner?—I’m not quite sure. I______ go to my uncle’s instead.A. mustB. wouldC. shouldD. might7. Don’t believe him. What he said ______ be true.A. mustn’tB. needn’tC. shouldn’tD. may not8. —______ I go home now, sir?—No, you ______. Y ou should finish the composition first.A. Might; wouldn’tB. May; had better notC. Must; mustn’tD. Need; mustn’t9. —______ he use your bike?—Certainly. Here is the key.A. ShallB. MustC. WillD. Does10. Mr Bush is on time for everything. How ______he be late for the important meeting?A. wouldB. shouldC. mightD. needKey : 1-5 ABCCD 6-10 DDBAB请用may, should或must的适当形式填空。
1. Y ou ______ take photos here. It is not allowed.2. He looks so happy. He ______ have passed the exam.3. ______ all your dreams come true!4. The shirt ______ be hand-washed. Don’t wash it in the machine.5. My sister ______ have phoned me this morning, but she forgot.Key: 1. mustn’t 2. must 3. May 4. should 5. should情态动词小练(二)1. I lived with my sister this summer and didn’t have to pay rent. So I _____ save most of my salary.A. was able toB. wouldC. couldD. should2. I promised to get there before 5 o’clock, but now the traffic is still so heavy. They _____ for me impatiently.A. may waitB. must be waitingC. could waitD. ought to wait3. I ______ her, but I never could.A. ought to helpB. must helpC. must have helpedD. ought to have helped4. The Smiths went to the country for the weekend as they ______ to the office.A. needn’t have goneB. mustn’t goC. may not goD. didn’t have to go5. My parents never remember my telephone number, and they always ______ look it up.A. shouldB. canC. have toD. must6. Bobby ______ me your secret, but he meant no harm.A. shouldn’t have toldB. should tellC. mustn’t have toldD. could tell7. If you ______ go, at least wait until the rain stops.A. canB. mustC. shouldD. would8. Y ou ______ follow me if I am wrong.A. mustB. don’t have toC. wouldn’tD. ought to9. _____ you like to have a walk with us this evening?A. CouldB. WillC. WouldD. Can10. —Mr Wang, I will go and fetch four chairs for the meeting.—Y ou ______ fetch four; two will do.A. won’tB. couldn’tC. shouldn’tD. needn’t Key:1-5 ABDDC 6-10 ABBCDModal verbs (I)may, should, must▓ 寻规找矩▓请观察下列三组句子,注意情态动词may, should, must的不同用法。
1.may1)May I take the book out of the reading room?我可以把书拿出阅览室吗?2) He may know you. 他可能认识你。
3) He may not be there. 他或许不在那儿。
4) May you be happy! 祝你幸福!2. should1) Y ou should tell your mother the secret at once.你应该立即把这个秘密告诉你妈妈。
2) It’s 4:30. They should be in New Y ork by now.现在是四点半,他们应该到达纽约了。
3) I don’t know why you should think I did it.我不知道你怎么竟然认为是我干的。
4) If it should rain tomorrow, we would have to put off the sports meet.万一明天下雨,我们将只能把运动会推迟举行。
5) I should have checked the time before we left.我本应先核对一下时间再动身的。
6) I shouldn’t have made such a foolish mistake.我本不该犯这样愚蠢的错误。
3.must1) Y ou must work hard while young.你必须趁年轻时努力学习。
2) Y ou mustn’t take the magazines out of the reading room.你千万不能把杂志带出阅览室。
3) —Must I finish the task right now?我现在必须完成这项任务吗?—Y es, you must. 是的。
(—No, you needn’t. / No, you don’t have to. 不,不必。
)4) Y ou simply must read this book.这本书你可一定要看一看。
5)The machine must break down at this busy hour.正忙的时候机器偏偏坏了。
6)She must live near here, for she comes to work on foot every morning.她一定住在附近,因为她每天早晨步行上班。
7)I can’t find my book. I must have left it at home.我找不到书,准是留家里了。
通过观察分析以上三组例句,我们可以对may, should, must的用法归纳总结如下:1.may◆表示允许,意思是“可以”,如例1;◆表示可能性,当用于肯定句时,意思是“可能会;或许会”,如例2;当用于否定句时,意思是“可能不会”,如例3;◆表示祝愿(用于比较正规场合或书面语中),此时句中谓语一般用动词原形,如例4。
2.should◆should作为情态动词,通常用来表示责任或义务,译作“应该、应当”,如例1;◆should也可表示有较大可能实现的猜测、推论,译为“可能、按理应当”,如例2;◆should还可表示惊讶、不可思议、难以置信,常译为“竟会、居然”,如例3;◆should用在虚拟条件状语从句中,表示“万一”,即可能性很小的假设,如例4;◆should have done表示“过去本该做某事但实际没有做”,如例5;◆shouldn’t have done表示“过去本不该做某事但实际却做了”,如例6。
3. must◆表示义务或责任,意思是“必须、一定要”,通常用于肯定句及疑问句,如例1;◆其否定式是must not或mustn’t,意思是“不能、一定不要”,语气较强烈,如例2;◆回答must表“必须”引出的一般疑问句时,肯定回答用must,否定回答用needn’t 或don’t have to,如例3;◆表示劝告或建议,意思是“应该,得”,如例4;◆表示与说话人愿望相反,常译成“偏要”,如例5;◆表推测,暗含有很大的可能性,只用于肯定句,意思是“肯定;一定”,如例6;◆must have done表示对过去发生事情的肯定猜测,意为“过去肯定做过某事”,如例7。