中考英语情态动词

1、Bite off more than one can chew.贪多咽不下.A cat may look at a king.猫也有权晋见国王.Friends must part.天下无不散之筵席.u 情态动词表示说话者的情感、态度和语气。u 它们本身有一定的意义，但没有人称和数的变化，不能单独作谓语，须和动词一起构成句子的谓语。u 表示否定时在情态动词后加not (must, have to除外)，表示疑问时将情态动词提至主语前即可。现在我们会用电脑了，但两个月前我们不会。We can use the computer now, but we couldnt two months ago.今

2、天是星期天，所以他不可能在学校。Today is Sunday, so he cant be at school.你可以用我的小汽车。You can / may use my car. (4) could虽然是can的过去式，但在口语中could常代替can表示，并不表示过去的时态，主要用于疑问句中。明天上午8点你能来这儿吗？Could you be here at eight oclock tomorrow morning?现在你可以走了。You may leave now. May I borrow your bike? 我可以借你的自行车吗？ Yes, you may. / No, yo

3、u mustnt.是的，你可以。/不，你不可以。 I cant find my ruler. 我找不到我的尺子了。 It may be in your pencil case. 可能在你的铅笔盒里。May you succeed! 祝你成功!Might I use your pen for a while?我可以用一会儿你的钢笔吗？你必须买票You must buy a ticket. 。你不该在马路上玩。You mustnt play on the road. These must be Lucys clothes. 这些一定是露西的衣服。He keeps silent. There mus

4、t be something wrong with him. 她想必到上海去了。She must have gone to Shanghai. Need I finish the work today?我需要今天完成这项工作吗？ Yes, you must. / No, you neednt.是的，你必须完成。/不，你不必。 Does he need to wash his hands? 他需要洗手吗？ Yes, he does. / No, he doesnt.是的，他需要。/不，他不需要。我在哪里等你？Where shall I wait for you? 我们应该严格要求我们所有的工作。

5、We should be strict in all our work.没有了水鱼就会死去。Fish will die without water. 如果他向我们寻求帮助，我们会帮他。Well help him if he asks us for help.我答应你，我会尽全力。I promised that I would do my best.你想再喝一杯咖啡吗？Would you like another cup of coffee?你愿意和我一起去吗？Will you go with me? Must you finish your homework today? Yes, I mus

6、t. / No, I neednt. Need she go at once? Yes, she must. / No, she neednt.Can I / could IYes, you can.No ,you cant. May I Yes, you may.No, you mustnt.No, you cant.Must I Yes, you must. No ,you neednt.No , you dont have to.No ,you dont need to. Need I .Yes, you must. No ,you neednt.【语法精练】1. (2014河北) I

7、_ follow you. Would you please repeat it? A. cant B. mustnt C. needntD. shouldnt 答案： A句意：我跟不上你。你能再重复一遍吗？cant“不能”，表示能力。2. (2014丽水) Here is my phone number. You _ call me anytime you like.A. must B. canC. should D. need答案：B句意：这是我的电话号码。你能在你喜欢的任何时候给我打电话。3. (2014泰安) Could you please have a walk with me?

8、Sorry, I _. I have something important to do now.A. mustnt B. neednt C. cant D. may not 答案：C句意：你可以和我一起散步吗？对不起，我不能。我有重要的事情去做。cant意为“不能”。4. (2014滨州) Must we take out the trash now? _.You can do it after class. A. Yes, you must B. No, you cant C. Yes, you may D. No, you neednt答案：Dmust引导的一般疑问句作否定回答时用nee

9、dnt。5. Drivers _ wear seat belts while their cars are running on the road. A. needB. canC. mustD. may答案：C句意：当车在路上行驶的时候司机必须系安全带。must的意思是“必须”，符合句意。故选C。6. May I go out for a while, Mom? No, you _. You have to finish your homework first.A. shouldnt B. mustnt C. neednt D. wont答案：B句意：妈妈，我可以出去一会吗？不，你不能。 你必

10、须首先完成你的作业。shouldnt不应该；neednt不必要；mustnt一定不能，表示明令禁止；wont将不能。根据答语“你必须首先完成你的作业”可知不同意出去玩。故选B。7. The woman who is talking with Mr. Brown _ be Miss Li. She has gone to England.A. cant B. mustC. mayD. mustnt答案：A句意：正在和布朗先生一起交谈的那位女士不可能是李小姐。她去英国了。cant不可能，表示否定推测；must一定，肯定推测；may可能，一般推测；mustnt，绝不，禁止。故选A。8. Where

11、are you going this month? We _ go to Xiamen, but were not sure.A. needntB. mustC. mightD. mustnt答案：Cneednt “不必”，表建议；must “一定”，表猜测的可能性很大；might “可能，也许”，表不是很肯定的猜测。mustnt “不允许”表命令。句意：这个月你们将去哪？我们或许去厦门，但还不确定。故选C。9. Whos the man over there? Is it Mr. Black? It _ be him. Hes much taller.A. may not B. cant C

12、. will not D. mustnt答案：B句意：那边那个人是谁？是布莱克先生吗？一定不是他，他高多了。情态动词表推测：“一定” 用must，“可能”用might, may, could；“一定不”用cant。故选B。 The girl in red must be Jenny. She often wears a red skirt to school. No, it cant be Jenny. I met her in the library just now and she was still reading newspapers there.(1)have to主要表示客观需要，

13、意为“不得不”。有人称和时态的变化（has to, had to, will have to）；(2) must强调说话人的主观看法，意为“必须；应该”；The boy had to stay at home alone because his parents both went to work.那个男孩不得不独自待在家里，因为他的父母都去上班了。(1) 表示某种能力时，二者可通用；(2) can只用于现在时和过去时（could），be able to可用于各种时态；(3) 遇有助动词或情态动词时只能用be able to。Jack could (was able to) swim at th

14、e age of five.杰克在五岁时就能游泳了。Well be able to fly to the moon soon.不久我们就能飞往月球了。【语法精练】1. (2014江西) We _ pay to get into the concert. Its free. A. cantB. mustntC. might notD. dont have to 答案：D句意：我们没必要付钱进入音乐会。它是免费的。dont have to“没必要”。2. (2014绍兴) Lets go climbing, shall we? You _ be joking! Dont you know Im a

15、fraid of high places?A. may B. can C. must D. should 答案：C句意：让我们爬山，好吗？你一定是在开玩笑！难道你不知道我怕高地方。must “一定”，表示有把握的肯定推测。3. Finish your homework first, and then youll _ watch TV for an hour.A. can B. be able to C. able D. could答案：Bwill是助动词，其后应该用动词的原形，故选B。 4. From March 23rd 2013, anyone under the age of 14 _

16、go into Disneys US parks alone.A. couldnt B. mustnt C. neednt D. mightnt答案：Bcouldnt“不能”，neednt“没必要”，mustnt “禁止”，mightnt“不可以”。 句意：3月23日起,美国迪斯尼乐园禁止14岁以下的儿童独自进入。故选B。5. Hi, Mike. I saw Jim in the zoo just now. It _ be him. He has gone to Beijing.A. cant B. must C. mustnt D. can答案：A由“他去北京了。”可知“不可能是他。”故选A

17、。6. Dad, must we wait until the light becomes green? Yes, Im afraid we _. Thats the traffic rule.A. can B. may C. have to D. need答案：C由上文句意“我们必须等到灯变绿吗？”和下文句意“那是交通规则”可知，我们必须要等到灯变为绿色。have to“不得不”，强调客观上的要求。故选C。7. Finish your homework first, then youll _ surf the Internet for half an hour.A. can B. need

18、C. be able to D. may答案： Cbe able to可用在将来时态中。情态动词结构对现在事实的推测must be adj./ n.对过去事实的推测must have donecant have done对现在正在发生的事情的推测must be doingcant be doing对过去某一时刻，某一时间内的动作的猜测或过去一直到现在的一段时间内动作的猜测must have been doingcant have been doingshould have done sthYou should have been more careful in this experiment.

19、I shouldnt have watered the flowers so much. 他过去常常周末去买东西。He used to go shopping on weekends. had better do sth had better not do sthIt is pretty cold. Youd better put on my coat. Shed better not play with the dog. He must be reading, _ he?You must do it yourself, _ you?He must have gone over the art

20、icle, _ he?It must have rained last night, _ it?isntmustnthasntdidnt1._I open the window?Its hot here. A.Must B.Shall C.Will D.Would2.Go and ask Mr Liu.He _tell you. A.may B.can C.would D.could3._you please tell me the time please? A.Shall B.Will C.May D.Might4._I try out all the ideas? No,you _. A.

21、 Must, mustnt B.Need,need C.Must,dont have to D.Must,dont5._I speak to Mr Green，please? A.Will B.Could C.Must D.Would 6.He said Kate _come to the party.But I dont think so. A.could B.might C.need D.must7.Need I do my lessons right now? Yes,you_. A.need B.can C.should D.must8.Would you like to go swi

22、mming with me this afternoon? Id love to.But Im afraid I_.I have too much work to do. A.cant B. mustnt C. neednt D.may not9. To make our city more beautiful，rubbish _ into the river. A. neednt be thrown B. mustnt be thrown C. cant throw D. may not throw10.Dont worry! We can get to the bus station in

23、 time and _the early bus. A. dont miss B. can miss C. will miss D. wont miss11.Please dont make any noise in the reading room. _ A. Sorry, I wont. B. Sorry, I cant. C. Yes, I wont. D.OK,I didnt.12.Must I return your digital camera tomorrow. Tina? No, you_. A. mustnt B. may not C. neednt D. wont(1) May I change the film here? No, you do that in the sunshine. A. neednt B. dont have to C. cant D. may not ( 2). He come here tomorrow. A. need not B. doesnt need C. neednt to D. dont need(3) -Listen! Somebody is singing in the next room. Who _ it be? Is it Meihua?