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系动词概念:本身有一定的词义,但不能独立作谓语,必须与表语(由形容词、介词、分词等充当)一起构成复合谓语。从词汇意义上讲,系动词可分三类。1.状态类系动词表示具有某性质、特征或处于某种状态。这类系动词有be, appear, seem, feel, sound, look, smell, taste1)You tried it on and it_(穿在你身上太好看了).2)The other idea_(听起来更好).3)Most of us would probably_(感到非常悲伤) 4)Buying her a present may_(似乎是一种好方法)to show your care.5) The cookie _(味道好).6) I _(感到难受)as I fell farther and farther behind.2.渐变类动词:表示所叙述的动作或产生的结果,或者表示状态的变化。这类系动词有 become, come, go, grow, turn, get, fall, turn out,prove 等。1)His face_(变红). The light_(变绿).2)Even the best guess can_(结果是错误的).3)We cannot be sure whether our dreams will_(实现).4)Xiao Hua knows that she will die before she has a chance to_(变老).5) If these_(变得流行),those may become a thing of the past.6) What he had said at the meeting _(证明是真的).3.保持类动词:表示某种持续的状态。这类系动词有 keep, remain, stay ,stand等。1)We ought to learn to _(保持身体健康).2)People in the future will be able to _(依然活跃) even in old age.3)The most important thing now is to _ (保持冷静).4) Though she has published 10 books, Tracy has _(仍然没变) by her fame. 5)They _(依然是好朋友)even though they entered different colleges.6)It _(仍不得而知)whether he could survive the surgery. 助动词助动词本身没有词义,不能独立作谓语。有人称和数的变化,和行为动词或连系动词一起构成谓语动词,表示否定、疑问、时态和语态。1. 助动词be的用法 1) be +现在分词,构成进行时态。例如:They are having a meeting. 2)be + 过去分词,构成被动语态。例如:The window was broken by Tom.窗户是汤姆打碎的。3) be + 动词不定式,可表示下列内容: a. 表示最近、未来的计划或安排。例如:He is to go to New York next week.他下周要去纽约。 b. 表示命令。例如You are to explain this.对此你要做出解释。 He is to come to the office this afternoon.要他今天下午来办公室。 c.征求意见。例如: How am I to answer him?我该怎样答复他?2. 助动词have的用法 1)have +过去分词,构成完成时态。例如: He has left for London.他已去了伦敦。2)have + been +现在分词,构成完成进行时。例如: I have been studying English for ten years. 我一直在学英语,已达十年之久。3)have +been +过去分词,构成完成式被动语态。例如: English has been taught in China for many years. 中国教英语已经多年。3.助动词do 的用法 1)构成一般疑问句。例如: Do you want to pass the CET?你想通过大学英语测试吗?2)do + not 构成否定句。例如: I do not want to be criticized. 我不想挨批评。3) 构成否定祈使句。例如: Dont go there.不要去那里。4)放在动词原形前,加强该动词的语气。例如: Do come to my birthday party.一定来参加我的生日宴会。5)用于倒装句。例如: Never did I hear of such a thing. 我从未听说过这样的事情。说明: 引导此类倒装句的副词有never, seldom, rarely, little, only, so, well等。6)用作代动词。例如: - Do you like Beijing?-你喜欢北京吗? - Yes, I do.-是的,喜欢。(do用作代动词,代替like Beijing.) He knows how to drive a car, doesnt he? 他知道如何开车,对吧?4. 助动词shall和will的用法 shall和will作为助动词可以与动词原形一起构成一般将来时。例如:I shall study harder at English. 我将更加努力地学习英语。5.助动词should, would的用法 1)should无词义,只是shall的过去形式,与动词原形构成过去将来时,只用于第一人称。 I telephoned him yesterday to ask what I should do next week.2) would也无词义,是will的过去形式,与动词原形构成过去将来时,用于第二、第三人称。例如: He said he would come.他说他要来。比较:I will go, he said. 他说:我要去那儿。变成间接引语,就成了He said he would come。原来的will变成would,go变成了come.。练习:1. This kind of cake tastes _.A. good B. well C. to be good D. to be well2. The children all looked _at the broken model plane.A. sad B. sadly C. sadness 3. This kind of paper _ nice.A. feel B. felt C. is feeling D. feels4. _ everyone here today?A. Be B. Are C. Is D. Am5. Harry is older than I. But he _ younger than I.A. look B. looks C. looked D. looking6. It _ like the singing of the birds.A. sounds B. looks C. smells D. tastes7. This math problem is _ and I can do it _.A. easy, easily B. easily, easily C. easy, easy D. easily, easy8. Coffee is ready. How nice it _! Would you like some?A. looks B. smells C. sounds D. feels9. In winter the days _ colder and colder.A. gets B. getting C. got D. get10. He _ pale at the thought.A. got B. looked C. turned D. seemed11.If it is fine tomorrow, we _ a football match.a. have b. will have c. has d. shall has12.When he was at school, he _ early and take a walk before breakfast.a. will rise b. shall rise c. should rise d.would rise13.In the past 30 years China _ great advances in the socialist revolution and socialist construction.a. has made b. have made c. had made d. having made14._ you think he _ back by dinner time? a. Do/have come b. Did/will have come c. Does/will come d. Do/will have come15.He said that he dropped his bag when he _ for the bus. a. was runing b. was running c. were running d. is running16.No sooner _ he arrived home than he _ to start on another journey. a. has/was asked b. have/were asked c. had/is asked d. had/was asked练习be (am, is, are; was, were; been)与现在分词连用构成进行时态:1) One day, while he _(wash)the clothes, he heard a terrible sound.与及物动词的过去分词连用构成被动语态2) You _(advise) to book the tickets in advance. .将要;打算:3) The English Club of our school _ (打算举行戏剧演出)on October 20.即将/正要5) I _(be)just about to go out when the telephone rang.1. do (does, did, done)与其它动词结合(动词原形),构成否定句和疑问句:1) Does Mike have a fever? No, he doesnt. His temperature is normal.2) What _Mike have for breakfast? Two pieces of chocolate, a glass of coke and two cookies.放在动词前表示强调:3) Pierre and I _have a very good time at the ball.代替动词以避免重复:4) Hope you wont have to wait as long as we _. Good luck.用于倒状句:5) Not only _we go to Paris but we also visited Rome.2. have (has, had, having)have+过去分词,构成完成时态或完成进行时。1)I _ finish reading this book.2)They_(从没有听过这样美妙的音乐). 3)When the police arrived, _(小偷早就跑了).中考英语动词时态基础练习100题1. I will tell him as soon as he _ backA. come B. comes C. will come D. came2. Mary _ on shoes when she _ them.A. triesbuys B. tries buies C. trys buys D. trys buies3. The girl often _ cold when she _.A. cathcsdances B. catches dances C. catchsdancees D. catches dancee4. _ he _ himself there? No, I dont think so. A. Doenjoy B. Does enjoies C. Does enjoys D. Doesenjoy5. _ your teacher _ from them very often? Certainly.A. Dohear B. Doeshear C. Do receive D. receive6. _ your mother _ some cleaning on Sundays?A. Doesdoes B. Dodoes C. Doesdo D. Do do7. _ Tom _to work hard to help his family ? Yes, he _.A. Has xdoes B. Hasxdoes C. Doeshashas D. Does havedoes8. Which teacher _ lessons to you every day ?A. does gives B. does give C. do give D. gives 9
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