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1、情态动词用法归纳与练习A: can / could = be able to 1 表示能力两种时态can (could)，其他时态要用be able to的形式He can speak French.Was/were able to 可以表示成功做成某事的含义* managed to do / succeeded in doing With our help, he was able to build the house. 2 表示请求或许可 Could 比 Can 更加客气* mayCan I go now? Yes, you can.3 表示推测或可能性，常用于否定句和疑问句Can he
2、be at school?Today is Sunday. He cant be at school.Cant couldnt/ Can ? Could? have done There is no light in the room. Can she have gone to bed?She cant have gone to school- its Sunday.Could have done 可用在肯定句中表示过去存在的可能性* may have doneShe could have gone out with some friends yesterday.Could have done
3、 可以表示虚拟语气某事可能发生（并没有发生）It was silly to throw the TV out of the window. It could have hit somebody.批评某人没有完成某事(本可以做某事)You are late again. You could have got up earlier.4 can 表示客观上的可能性*Anybody can make mistakes.B: may and might 1 表示请求和允许 类似用法can could(更加口语化)May I watch TV now? Yes, you may.2 表示可能性; 猜测mi
4、ght比may更加不确定may/might have done 对过去的揣测*He may be busy these days.May not 可能不；不可能；一定不可3 表示祝愿 Wish you success!May you succeed!*C: must and have to1 表示必须；一定要 可以用 have to 代替 must 现在；将来的必须 而且是主观看法*have to 有多种时态 而且强调客观情况I really must stop smoking now.I had to leave early because I wasnt feeling well.Must
5、 I come here?Yes, you must. No, you neednt. neednt / dont have to must not 一定不能做某事 mustnt2 must 表示推测 意思非常肯定 “一定是”“一定会”It must be raining outside.Must have done 对过去/完成的推测* must have done, didnt / hasntMust be doing 推测现在正在进行He must have gone over the article, hasnt he?It must have rained last night, d
6、idnt it?D: need and dare 过去时 dared情态动词和实意动词的区别A 人称变化 B do / to do C 直接否定 / 间接否定 can workNeed /dare 肯定句中，实义动词She needs to do it. I dare to do it.使用在否定句,疑问句中，情态动词，实义动词。I dare not do it. I dont dare (to) do it.I need not do it. I dont need to do it.1 need 情态动词 无时态；人称的变化 多用于疑问句和否定句You neednt try to expl
7、ain.Neednt = dont have to Neednt have done sth 过去本不必做某事* 虚拟语气2 need 实义动词 有时态；人称的变化 后接to do You need to tell us the truth.The car needs repairing. The car needs to be repaired.3 dare 情态动词 过去时 dared 无人称的变化 多用在疑问句和否定句Dare he tell them what he knows?4 dare 实义动词 有时态；人称的变化后接to do用于疑问句和否定句时 其后的to 有时可省略Do y
8、ou dare (to) jump off the high wall?E: will and would1 表示征求对方(第二人称)意见或询问对方意愿 would 比will 更客气委婉Will you have some more wine?Would you mind my smoking here?2 will 表示习惯性动作或某种倾向 would 表示过去习惯性动作或某种倾向Fish will die out of water.When I was young, I would play badminton on Sundays.Would 与 used to 的区别*Would 只
9、能用来表示重复的动作而不能表示状态Used to 既可表示动作也可表示状态, 强调现在不如此He used to be a university student.3 will 表示意愿 决心I will never do that again.F: shall, should and ought to1 shall 在问句中表示征求对方意见或请求 用于第一，三人称What shall we do now?2 shall 肯定句中 表示说话人强烈的感情 允许，命令，禁止和威胁 *或表示按规定，规章和义务等用于第二，三人称If you dare to do that, you shall be p
10、unished.These rules shall be obeyed. Shall not 禁止，不许3 shall 决心，意愿 = willI shall come if I want to.4 should 表示劝告，建议 = ought to 应该You should wash your hands first.Should 主要表示主观看法*Ought to 客观情况 法律、规定、义务的使用Should have done / ought to have done sth 虚拟语气*Shouldnt have done / ought not to have done sth You
11、 should have done it today.5 should 推测 推论 可能性 = ought to *估计They should/ ought to be there by now.6 should说话人的感情。如惊奇、愤怒、失望等、“竟然” 否定句疑问句You cant imagine that well-behaved gentleman should be so rude to a ladyWhy should he do such a thing?推测 肯定性 可能性 由强到弱must / shall* / ought to / should / would* / cou
12、ld* / may / might /can 理论上的可能/ can? Could? / cant couldntmust 用于表示必定，必会：All mankind must die.(表示必然会发生的事)所有的人一定会死的。shall用于表示必定：I shall be rich one day. (shall be )总有一天我发达的。ought to / should用于表示想必会(语气较must 弱)：They should / ought to be there by now.他们想必已到那儿了。will 和 would 用于表示预测或习惯性：I think he will be a
13、ll right now. (will be 表示一定会)我想他现在一定好了。Could 表推测No, but the shop could be in the east of the city.may 和 might 用于表示事实上的可能性或预测：It may snow later this afternoon. (表示预测)今天下午可能会下雪。You might be right. (表示有可能)你可能是对的。Can理论上的可能Anybody can make mistakes. (只表示理论上的可能性)任何人都可能犯错误。Can? Could? / cant couldnt 疑问否定He
14、 cant be at home. (否定句)他不可能在家。Can the news be true ? (将情态动词 can 置于主语 the news 前就成疑问句)这消息可能是真的吗?情态动词 be doing情态动词 have donemust / could / may / might / Can; could? have done / cant ; couldnt have done请求和允许 Can could I; he /may might I; he / will would you / shall should ought to I; he? / Must I?不同类型语
15、气分析Can I go with you ? (请求)我能跟你一起走吗？Could I ask you something ? (请求,用 could 比 can 更婉转)我可以问你一件事吗？May I make a suggestion ?我可以提个建议吗？Might I take a look of your work ?我看看您的大作行吗？Will you kindly tell me the way to the post office ?(表示客气请求)请问到邮局怎么走？Would you give me your address ? (用 would 比 will 表示更客气)请你
16、告诉我你的地址，好吗？Shall we talk?我们谈谈好吗？What should we do next ? (用should 比 shall 表示更客气)下一步我们该怎么做？Shall he come to see you ? (用于第三人称疑问句)要不要他来看你？Must I finish the work right now?Must I pay now ? (用于疑问句) (如回答不必时，需用 neednt 或 dont have to)我现在就得付款吗？情态动词的用法：表示“应该”、“必须”命令和建议（Must, have to , Shall, ought to, Should
17、, May*, Might*,）Must 用于表示“必须”、“务必”：You must keep the place clean. (务必)你务必保持地方干净。Shall 和 Should 用于表示“必须”：Each member shall wear a name card. (表示规定)每一个会员必须配带名卡。I should answer his letter as soon as possible. (表示应该)我应该尽快给他回信。The rules shall take effect onJan. 1st.(shall 用于规章等，表示义务和规定)新规则于一月一日起生效。Ought
18、to 用于表示“应该”(强调客观上)：(大多情况可用 should 代替)You ought to go to see the doctor. (ought to 的语气比must 弱)你应该去看看医生。You oughtnt (ought not) to smoke so much. (oughtnt 用于否定句)你不应该抽这么多烟。May 和 Might 用于表示“应该(多用于法律等条文，一般上多用 shall ):Payment may be paid by check.(表示规定)应以支票付款。You might ask before you use my computer.(migh
19、t表示应该)你应该先问过再使用我的电脑。情态动词的用法：表示“意图”、“打算” “意愿” “决心”(will, would* shall, should*)情态动词+完成式对过去或完成的猜测must / may /might / could / cant / couldnt/can?/could? have done 虚拟语气could have done 本来可以；有可能neednt have done 本没必要做某事should / ought to have done 本应该做某事shouldnt / oughtnt to have done本不应该做某事情态动词练习(1)1 May I
20、 stop my car here? No, you_.A. cant B. mustnt C. neednt D. dont have to2. Must we clean the house now? No, you _.A. neednt B. may not C. mustnt D. cant3. John_ his father about his failure in the exam.A. dares not tell B. dares not tellingC. dare not tell D. dares not to tell4. You return the book n
21、ow. You can keep it next week if you like.A. cant B. mustnt C. neednt D. may not5. Johnny, you play with the knife, you hurt yourself.A. wont.cant B. mustnt.may C. shouldnt, must D. cant.shouldnt6. The fire spread through the hotel very quickly but everyone get out.A. had to B. would C. could D. was
22、 able to7. Would you go out for a walk with me?No, I . My girl friend is coming.A. wouldnt B. shall not C. wont D. shouldnt8. Man die without water. A. will B. can C. need D. shall9. If he started at 9 0clock, he be there by now.A. need B. shall C. ought to D. must10. I mailed the letter two weeks a
23、go. She_it.A. must receive B. cant receive C. might receive D. must have received11.The professor gave orders that the experiment before 5:30p.m.A. be finished B. will finishC. must be finished D. would be finished12. There was plenty of time. You_.A. mustnt hurry B. mustnt have hurriedC. neednt hur
24、ry D. neednt have hurried13. Tom was a diligent boy. He go to school though it was raining hard.was able to B. could C. couldnt D. wasnt able to 14. _I go back before lunch? No, I dont think you_.A. Need.must B. Do.need to C. Must.have to D. May . ought to15. The teacher do all the exercises, but a
25、pupil_.A. neednt.must B. may not.must C. neednt.neednt D. cant.must16. Would you open the window please ? Yes, I_.A. will B. would C. do D. can17. A lion only attacks a human being when it is hungry.A. should B. can C. will D. shall18. _Must I finish this novel this morning ?_No, you_.A. mustnt B. m
26、ight not C. dont have to D. cant19. The taxi _ only hold six passengers. It is full. You take the next one.A. may.may B. can.may C. may.can D. must.can20. I a little earlier, but I met a friend of mine on the way.A. may come B. may have come C. could have come D. must have come21. I wish to go home
27、now, I?A. may B. cant C. must D. do22. He must have finished his homework, he?A. mustnt B. didnt C. neednt D. hasnt23. This pen looks like mine, yet it isnt. Whose it be?A. must B. can C. may D. might24. He didnt do well in the exam. He hard at his lessons.A. must have worked B. ought to have worked
28、C. would have worked D. has worked25. I wonder how he that to the teacher.A. dare to say B. dare saying C. not dare say D. dared say26. Mr Baker, a number of students want to see you. _ they wait here or outside?A. Should B. Will C. Shall D. Are27. You the trees. Look, it is raining now.A. mustnt ha
29、ve watered B. neednt have wateredC. could have watered D. might have watered28. I give you an answer tomorrow. I promise!A. must B. will C. may D. shall29. As a soldier, you do as the head tells you.A. will B. shall C. may D. ought30. The streets are all dry. It_ during the night.A. cant have rained
30、 B. must have rainedC. couldnt rain D. shouldnt have rained31. When _ he leave the hospital? I asked the doctor.A. will B. shall C. can D. may32. They have not finish the work up to now._Well, they _A. should have B. should C. ought to D. ought have33. Since it is already midnight, we_.A. had better
31、 leaving B. ought to have leaveC. should take our leave D. might as well leave34. you be happy!A. May B. Can C. Must D. Would35. Must we come tomorrow?A. No, you cant B. No, you needntC. No, you mustnt D. No, you may not36. You miss the lesson, though we have it on Thursday.A. mustnt.neednt B. needn
32、t.mustntC. mustnt.mustnt D. neednt.neednt37. To succeed in a difficult task,_.A. one needs to work hard B. to work hard is neededC. you need be a hard working person D. to work hard is what one needs38. In case I_, I would try again.A. will fail B. would miss C. should fail D. shall miss39. Some peo
33、ple feel that handguns_.A. should control B. should be controlledC. must be controlling D. can be control40. _ open the door for you ?A. Would you like that I B. Do you want that IC. Will I D. Shall I41. My son _ the examination, but he wasnt careful enough.A. might be able to pass B. must have pass
34、edC. could have passed D. were able to pass42. Isnt it strange that the lazy boy pass the exam?A. should B. has C. might D. would43. We the work so early without your help.A. couldnt finish B. cant finishC. couldnt have finished D. cant have finished44. We the manager, but no one _ his telephone num
35、ber.A. could have called, knew B. could have called, had knownC. could call, had known D. could call, knew45. Would you come and join them?I wish I . But I am busy at this moment.A. cant B. couldnt C. could D. can46. If Alice this afternoon, the meeting should be put off.A. would not come B. might n
36、ot comeC. should not come D. could not come47. I didnt see her in the meeting room this morning. She at the meeting.A. mustnt have spoken B. shouldnt have spokenC. neednt have spoken D. couldnt have spoken48. With so much work on hand, you to see the game last night.A. mustnt go B. shouldnt goC. cou
37、ldnt have gone D. shouldnt have gone49. I thought you like something to read, so I have brought you some books.A. may B. might C. could D. must50. There was plenty of time. She_.A. mustnt have hurried B. couldnt have hurriedC. must not hurry D. neednt have hurried51. Its still early, you_.A. mustnt
38、hurry B. wouldnt hurryC. may not hurry D. dont have to hurry52. Please open the window,_?A. cant you B. arent you C. do you D. will you53. We for her because she never came.A. mustnt have waited B. shouldnt have waitedC. mustnt wait D. neednt wait54. May I stop here?No, you _.A. mustnt B. might not
39、C. neednt D. wont55. He _ you more help, even though he was very busy.A. might have given B. might giveC. may have given D. may give56. I didnt see her in the meeting room this morning. She at the meeting.A. mustnt have spoken B. shouldnt have spokenC: neednt have spoken D. couldnt have spoken57. Co
40、uld I borrow your dictionary? Yes, of course you_.A. might B. will C. can D. should58. Please dont make a noise. -Ill be as quiet as a mouse.A. Yes, I wont B. No, I wont C. No, I will D. Yes, I will59. The young man has made so much noise that he not have been allowed to attend theconcert.A. could B
41、. must C. would D. should60. One ought for what one has done.A. not to be punished B. to not be punishedC. to not punished D. not be punished61. If you really want yourself to be in good health, you must always so much.A. not, be smoking B. not, have smokedC. not, to smoke D. be not, smoking62. Wher
42、e is Mary?She isnt here. I think she_.A. may have gone home B. must have gone homeC. might have gone home D. All the above我的大学爱情观目录：一、 大学概念二、 分析爱情健康观三、 爱情观要三思四、 大学需要对爱情要认识和理解五、 总结1、什么是大学爱情：大学是一个相对宽松，时间自由，自己支配的环境，也正因为这样，培植爱情之花最肥沃的土地。大学生恋爱一直是大学校园的热门话题，恋爱和学业也就自然成为了大学生在校期间面对的两个主要问题。恋爱关系处理得好、正确，健康，可以成为学习
43、和事业的催化剂，使人学习努力、成绩上升；恋爱关系处理的不当，不健康，可能分散精力、浪费时间、情绪波动、成绩下降。因此，大学生的恋爱观必须树立在健康之上，并且树立正确的恋爱观是十分有必要的。因此我从下面几方面谈谈自己的对大学爱情观。2、什么是健康的爱情：1) 尊重对方，不显示对爱情的占有欲，不把爱情放第一位，不痴情过分；2) 理解对方，互相关心，互相支持，互相鼓励，并以对方的幸福为自己的满足; 3) 是彼此独立的前提下结合；3、什么是不健康的爱情：1)盲目的约会，忽视了学业;2)过于痴情，一味地要求对方表露爱的情怀，这种爱情常有病态的夸张;3)缺乏体贴怜爱之心，只表现自己强烈的占有欲;4)偏重于
44、外表的追求;4、大学生处理两人的在爱情观需要三思：1. 不影响学习：大学恋爱可以说是一种必要的经历，学习是大学的基本和主要任务，这两者之间有错综复杂的关系，有的学生因为爱情，过分的忽视了学习，把感情放在第一位；学习的时候就认真的去学，不要去想爱情中的事，谈恋爱的时候用心去谈，也可以交流下学习，互相鼓励，共同进步。2. 有足够的精力：大学生活，说忙也会很忙，但说轻松也是相对会轻松的！大学生恋爱必须合理安排自身的精力，忙于学习的同时不能因为感情的事情分心，不能在学习期间，放弃学习而去谈感情，把握合理的精力，分配好学习和感情。3、 有合理的时间；大学时间可以分为学习和生活时间，合理把握好学习时间和生
45、活时间的“度”很重要；学习的时候，不能分配学习时间去安排两人的在一起的事情，应该以学习为第一；生活时间，两人可以相互谈谈恋爱，用心去谈，也可以交流下学习，互相鼓励，共同进步。5、大学生对爱情需要认识与理解，主要涉及到以下几个方面：（一） 明确学生的主要任务“放弃时间的人，时间也会放弃他。”大学时代是吸纳知识、增长才干的时期。作为当代大学生，要认识到现在的任务是学习学习做人、学习知识、学习为人民服务的本领。在校大学生要集中精力，投入到学习和社会实践中，而不是因把过多的精力、时间用于谈情说爱浪费宝贵的青春年华。因此，明确自己的目标，规划自己的学习道路，合理分配好学习和恋爱的地位。（二） 树林正确的
46、恋爱观提倡志同道合、有默契、相互喜欢的爱情：在恋人的选择上最重要的条件应该是志同道合，思想品德、事业理想和生活情趣等大体一致。摆正爱情与学习、事业的关系：大学生应该把学习、事业放在首位，摆正爱情与学习、事业的关系，不能把宝贵的大学时间，锻炼自身的时间都用于谈情说有爱而放松了学习。 相互理解、相互信任，是一份责任和奉献。爱情是奉献而不时索取，是拥有而不是占有。身边的人与事时刻为我们敲响警钟，不再让悲剧重演。生命只有一次，不会重来，大学生一定要树立正确的爱情观。（三） 发展健康的恋爱行为 在当今大学校园，情侣成双入对已司空见惯。抑制大学生恋爱是不实际的，大学生一定要发展健康的恋爱行为。与恋人多谈谈
47、学习与工作，把恋爱行为限制在社会规范内，不致越轨，要使爱情沿着健康的道路发展。正如马克思所说：“在我看来，真正的爱情是表现在恋人对他的偶像采取含蓄、谦恭甚至羞涩的态度，而绝不是表现在随意流露热情和过早的亲昵。”（四） 爱情不是一件跟风的事儿。很多大学生的爱情实际上是跟风的结果，是看到别人有了爱情，看到别人幸福的样子（注意，只是看上去很美），产生了羊群心理，也就花了大把的时间和精力去寻找爱情（五） 距离才是保持爱情之花常开不败的法宝。爱情到底需要花多少时间，这是一个很大的问题。有的大学生爱情失败，不是因为男女双方在一起的时间太少，而是因为他们在一起的时间太多。相反，很多大学生恋爱成功，不是因为男女双方在一起的时间太少，而是因为他们准确地把握了在一起的时间的多少程度。（六） 爱情不是自我封闭的二人世界。很多
