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1、精选学习资料 - - - - - - - - - 精品资料 欢迎下载专项：情态动词一 考点 ： 情态动词的用法和辨析,情态动词表示估计和可能,由情态动词引导的一般疑问句的回答；二 类型 ：1 只是情态动词：can, could, may, might, must 2 可做情态动词,可做实义动词：need, dare 3 可做情态动词,可做助动词：will, would, shall, should 4 特别： have to, ought to, used to 三 特点 ：1 有肯定的词义,但不能单独作谓语,必需与行为动词和系动词连用构成谓语；2 无人称和数的变化； （ have to 除外
2、）3 后接动词原形；Eg: He has to stay here. 4 具有助动词作用,可构成否定,疑问或简短回答；四 用法 ：1. can 表示才能, “能,会 ”；Eg : Can you play basketball. 表示怀疑,推测,常用于否定句或疑问句；Eg :Li hua can be in the classroom. 表示恳求,答应,多用于口语,译“ 可以 ” = may. Eg: you can go now. can 开头的疑问句,确定句,否定句用 can 或 can t.2.could can 的过去式, 表示过去的才能；Eg :I could swim when I
3、 was seven years old. could 开头的疑问句,确定和否定回答用could, couldn t 假如 could 表示现在的委婉,用 can 回答；Eg: Could I have a drink. Yes, you can. 3.may 表示估计, “可能,或许 ” ,用于确定句；Eg: He may come tomorrow. 表示恳求, “许可 ,可以 ” ；Eg: May I borrow your book. 注：表示恳求,许可时,主语为第一人称的一般疑问句,否定回答用mustn 不行以,禁止,不许” ,不用 may not “可能不 ” ；表示希望； Eg
4、:May you success. 4.might 表示 “可以 ”,用于过去时中；Eg: He told me I might smoke in the room. 名师归纳总结 用于现在时, 表示说话更委婉, 礼貌；Eg: He might be doing his lessons now. 第 1 页,共 6 页- - - - - - -精选学习资料 - - - - - - - - - 精品资料 欢迎下载5.must 表示 “ 必需,应当 ”；表示估计, 常用在确定句中, 表 “肯定 ” ；Eg: There is someone knocking at the door. It mus
5、t be Jim. 否定句中, mustn t 表示禁止,“ 不答应” ；以 must 开头的疑问句, 确定句回答用 must,否定回答用 needn t , 表示“ 不需要,不必”=“ don t have to” . 表示“ 偏偏”；Eg: Must you play the piano at this time. 6.need 情态动词： +do,用 need 提问或回答,确定句回答用 must ,否定句回答用 needn t. Eg: You needn t come to school so early. 实义动词： +to do , 用助动词提问和否定；+doing 表示被动；ne
6、edn t have done 表示没必要做某事但是做了；Eg: I actually needn t have bought so much wine. 7.dare 情态动词,多用于疑问句,否定句,条件句中；Eg: Im afraid you dare not to do such a thing. 注：I dare say 习惯说成“ 或许,我想” ；Eg: It will rain this afternoon, I dare say. 实义动词： dare to do ,用于确定句中,当用于否定句或疑问句时,to 可以省略；Eg: This student doesn t dare
7、to raise any question in class. 8.shall 用于第一人称表示征求看法,询问；Eg: Shall I open the window. Shall we have lunch here. 表示说话人的态度, “ 命令,警告,承诺,威逼”；Eg: You shall finish your homework first. 9.should用于第三人称,在条约, 规定, 法令等文件中表示义务或规定,“ 应当, 必需” ；（不常用）表示义务,责任“ 应当”；Eg: We should obey traffic laws. 作为 shall 过去式,用于第一三人称,
8、表示征求看法； Eg: Mr Lee asked if he should get his visa. 表示“ 竟然” ；Eg: It s unthinkable that the boy should sing such a beautiful song. 表示说话人的特别情感,如诧异,愤慨,扫兴等；Eg: How should I know. 表示劝说,建议, “ 应当” ；Eg: You should listen to your teacher. 名师归纳总结 - - - - - - -第 2 页,共 6 页精选学习资料 - - - - - - - - - 10.will 用于其次人称
9、表示询问,精品资料欢迎下载“ 意愿” ；Eg: Will you pass me the book. 恳求,也可以表达现在的表示意愿,打算,承诺,用于各种人称；Eg: I will try my best to help you. 表示规律性的“ 注定会”；Eg: People will die without air or water. 11.would 表示过去的意愿或委婉询问；Eg: Would you tell me the way to the station. 12.have to “ 必需,不得不” ,强调客观需要, 含有时态的变化；Eg: I ll have to ask Ji
10、m instead. 区分： must 表示“ 必需,应当“ ,主观看法；13.ought to 表示职责,义务或要求,及人们应当去做的正确的事或好事；Eg: Humans ought to stop polluting nature. 比 should 语气强, ought to 反映客观情形,ought to have done 本应当做而没有做；should 表示主观看法；Eg: You are late. You ought to have arrived five minutes earlier. 14.used to表示“ 过去经常,过去是“ ,没有人称和数的变化,可以和过去的时间
11、状语连用；否定形式：usedn t to 或 didn t use to ,疑问词将 use提前或 Did use to . Eg: He didn t use to be so careless. 区分would :带有主观性,并且现在做不做不知道；Used to :客观性,和现在进行对比,过去经常,现在就不怎么做了；Eg: He would phone me on Sunday. Eg: I used to be very fond of music when I was young. 区分： be used to doing （情态动词）习惯于Used to do （情态动词）过去是,过
12、去经常Be used to do 过去式 被用来做 Eg: I am already used to noisy city life here. My parents used to live in South America. This machine is used to cut up waste paper. 15.其他 ： had better do 最好做某事Eg: You had better stay at home. 否定： had better not do be able to 与 can 表示才能时用法相同,但前者有时态的变化,有才能胜利做某事；Eg: We will b
13、e able to come back next week. 名师归纳总结 - - - - - - -第 3 页,共 6 页精选学习资料 - - - - - - - - - 精品资料 欢迎下载完形填空Have you ever seen the advertisement: Learn a foreign language in six weeks, 1 give your money back. Of course, it 2 happens quite like that. The only language 3 to learn is the mother language. And t
14、hink 4 practice is needed for that. Before the Second World War people usually learned a foreign language 5 the literature 文学 of the country. Now most people want to 6 a foreign language. Every year millions of people start learning 7 . How do they do it. Some people try at home 8 books and tapes, o
15、thers go to evening classes or watch TV programs. 9 they use the language only 2 or 3 times a week, learning it will 10 a long time, like language learning at school. A few people try to learn a language fast by studying for 6 or 11 hours a day. Its much easier to learn the language in the country w
16、here it 12 . But most people are 13 to do this, and many people dont have to do so. Machines and good books will be very 14 , but they can not do the students work. 15 the language is learned quickly or slowly, it is hard work. 1. A. so B. or C. and D. but 2. A. can t B. impossible C. never D. often
17、 3. A. easily B. difficult C. able D. easy 4. A. how much B. how long C. how fast D. how many 5. A. studied B. to study C. studying D. study 6. A. talk B. tell C. speak D. say 7. A. them B. this C. that D. it 8. A. without B. with C. in D. by 9. A. If B. When C. Since D. Until 10. A. spend B. use C.
18、 take D. cost 11. A. some B. more C. other D. less 12. A. speaks B. is speaking C. spoke D. is spoken 13. A. able B. possible C. unable D. not possible 14. A. careful B. forgetful C. wonderful D. helpful 15. A. either B. whether C. what D. how 专题练习：一挑选题1. It is usually warm in my hometown in March,
19、but it _ be rather cold sometimes. A. must B. can C. should D. would 2. You _ be hungry already - you had lunch only two hours ago. A. wouldn t B. cant C. mustn t D. needn t 3. - What do you think we can do for our aged parents. - You _ do anything except to be with them and be yourself. 名师归纳总结 A. d
20、on t have to B. oughtn t to C. mustnt D. can t 第 4 页,共 6 页- - - - - - -精选学习资料 - - - - - - - - - 精品资料 欢迎下载4. John promised his doctor he _ not smoke. And he has never smoked ever since. A. might B. should C. could D. would 5. What a pity. Considering his ability and experience, he _ better. A. need h
21、ave done B. must have done C. can have done D. might have done 6. Liza _ well not want to go on the trip - she hates traveling. A. will B. can C. must D. may 7. She _ have left school, for her bike is still here. A. can t B. wouldn t C. shouldn t D. needn t 8. According to the air traffic rules, you
22、 _ switch off your mobile phone before boarding. A. may B. can C. would D. should 9. - I can t find my purse anywhere. - You _ have lost it while shopping. A. may B. can C. should D. would 10. - I m sorry. I _ at you the other day. - Forget it. I was a bit out of control myself. A. shouldn t shout B
23、. shouldn t have shouted C. mustn t shout D. mustn t have shouted 11. - What sort of house do you want to have. Something big. - Well, it _ be big - that s not important. A. mustn t B. neednt C. can t D. won t 12. - What does the sign over there read. - “No person _ smoke or carry a lighted cigarett
24、e, cigar or pipe in this area. ”A. will B. may C. shall D. must 13. Some aspects of a pilot s job _ be bring; and pilots often _ work at inconvenient. A. can; have to B. may; can C. have to; may D. ought to; must 14. My MP4 player isn t in my bag. Where _ I have put it. A. can B. must C. should D. w
25、ould 15. The weather turned out to be fine yesterday, I _ the trouble to carry my umbrella with me. A. should have taken B. could have taken C. needn t have taken D. mustn t have taken 16. In crowded places like airports and railway stations, you _ take care of your luggage. A. can B. may C. must D.
26、 will 17. - She looks very happy. She _ have passed the exam. - I guess so. It s not difficult after all. A. should B. could C. must D. might 18. I told your friend how to get to the hotel, but perhaps I _ have driven her there. 名师归纳总结 A. could B. must C. might D. should 第 5 页,共 6 页- - - - - - -精选学习
27、资料 - - - - - - - - - 精品资料 欢迎下载19. - Mr. Gordon asked me to remind you of the meeting this afternoon. Don t forget it. -OK, I _. A. won t B. don t C. can t D. needn t 20. - How is your tour around the North Lake. Is it beautiful. - It _ be, but it is now heavily polluted. A. will B. would C. should D
28、. must 21. The biggest problem for most plants, which _ just get up and run away when threatened, is that animals like to eat them. A. shan t B. can t C. needn t D. mustn t 22. - Where is my dictionary. I remember I put it here yesterday. - You _ it in the wrong place. A. must put B. should have put
29、 C. might put D. might have put 23. - What s the name. - Khulaifi. _ I spell that for you. A. Shall B. Would C. Can D. Might 24. - Who is the girl standing over there . - Well, if you _ know, her name is Mabel. A. may B. can C. must D. shall 25. I was really anxious about you. You _ home without a w
30、ord. A. mustn t have left B. shouldn t have left C. couldn t have left D. needn t have left 26. My sister met him at the Grand Theatre yesterday afternoon, so he _ have attended your lecture. A. couldn t B. needn t C. mustn t D. shouldn t 27. - Are you coming to Jeff s party. - I m not sur. I _ go t
31、o the concert instead. A. must B. would C. should D. might 28. Johnny, you _ play with the knife. You _ hurt yourself. A. won t; can t B. mustn t; may C. shouldn t; must D. can t; shouldn t 29. You _ pay too much attention to your reading skill, as it is so important. A. shouldn t B. cannot C. mustn t D. needn t 30. - Is John coming by train. - He should, but he _ not. He likes driving his car. 名师归纳总结 A. must B. may C. can D. need 第 6 页,共 6 页Answers：15 BBADD 610 DADAB 1115 BCAAC Answers: 16 20 CCDAC 2125 BDACB 2630 ADBBB 完形填空 15 BCDAB 6 10 CDBAC 1115 BDCDB - - - - - - -