初中英语情态动词专练

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1、情态动词：情态动词没有人称和数的变化，情态动词后必须跟动词原形。A: can 的用法：1.表示能力She can swim fast, but I cant .2.表示推测，“可能”， 用于否定句和疑问句中， cant 译为“ 不可能”。 Can it be our teacher? 那个人有可能是我们老师吗？No, it cant be our teacher. 3. could的用法 1. can的过去式，意为“ 能、 会”，表示过去的能力。 He could write poems when he was 10. 4. could在疑问句中，表示委婉的语气。Could I use you

2、r pen? 我能用一下你的钢笔吗? Yes, you can.可以B: may的用法: 1.表示请求、许可，比can 正式 May I borrow your bike? ( may not ) 2.表示推测“ 可能， 或许”，一般用于肯定句中。It may rain tomorrow .3. may的过去式为might ，表示推测时。可能性低于may。 He is away from school. He might be sick. 4.对 may 引出的问句，回答：Yes,you may. /Of course./Certainly/Sure .No, you may not. /No

3、, you cant.5.表示希望、祈求、祝愿，常可译为“祝愿”。通常是用may +主+V May you succeed！祝你成功！C: must的用法: 1. 表示主观看法，意为“必须、一定”。You must stay here .2. mustnt表示“禁止, 不许”. You mustnt play with fire. 你不许玩火。 3. 对must的疑问句，肯回must，否回neednt 或 dont have to. Must I finish my homework?No, you neednt.4. must表示有把握的推测，用于肯定句The light is on, so

4、 he must be at home.D:need的用法: 1. need 表示需要、必须，用于否定句和疑问句中，2.其否定形式为neednt，意为“没有必要，不必”。3.用need 提问时，肯定回答为 must，否定回答为 neednt或dont have toNeed I stay here any longer? Yes, you must.No. you neednt /dont have to. 4. need 还可以作动词，此时有人称、数和时态的变化，need to do He needs to do it right now. 他需要马上做这件事 E:should的用法:1.s

5、hould 意为“应该” ，可表示劝告、建议、义务、责任等。 We should wait for the green light .D:shall的用法: shall表示征求对方意见（多用于第一人称) Shall we go out for a walk? 我们出去散步好吗？其回答方式有以下几种： Yes, please.All right.No, thank you.can和may区别:1. can 和 may 均可用来征求意见或许可，意为“可以”， 一般可互换使用。如：Can/ May I help you ? 2. 2.can 和may 表示可能性时的区别：1)在肯定句中用 might

6、，may，must，不用can2)在疑问句中表示推测用can，不用 might，may，must3) 在否定句中用cant（不可能）， 不用 may， must。She may be in the classroom . 她可能在教室里。Where can they be now? 他们现在可能在哪儿？That cant be true. 那不可能是真的。 have to do不得不 I/You/They/We/(dont) have to drink water. had to do/ didnt have to do / will have to doHe/She/It/Tom has t

7、o drink water. He/She/It/Tom doesnt have to drink water.had better do最好做某事 Id=I had Shed=She had I/You/They/We/ He/She/It/Tom had better (not) go homeExercise A回答下列问题:(1) I cant find my pen. May I use your pen? _(2) Can you speak loudly in the reading room? _(3) Can you get to school at 8 oclock? _(

8、4) Must we keep our classroom clean? _(5) Need you do morning exercises every day? _ (6) Must you hand in your homework on time? _(7) Can you leave school at three? _(8) Can you eat or drink in class? _(9) May I have a look at your English book? _(10) Can you speak Chinese in an English class? _写出下列

9、否定形式的意思mustnt _ may not_ neednt_ cant_Fill in the blanks with may(not), need(nt), should(nt) in their proper forms.1. She is ill at home. I think you _ help her with her lessons later.2. A: _ I buy film tickets for you? B: No, you _.3. A: _ I ask for leave the day after tomorrow? B: Yes, you _.4. A:

10、 Linda, youre poor at maths. You _ study harder. B: OK. Ill do my best.5. You _ not talk in class and you _ listen carefully.6. A: _ I return the book to you today? B: No, you _. You _ keep it till tomorrow.7. A: _ we do more healthy reading after school? B: Yes, you _.8. A: _ I borrow this book? B:

11、 Im afraid you _. There is only one copy in the library.9. A: _ we finish homework in class? B: No, you _.Fill in the blanks with may, must, can, cant, should in their proper forms：1. “_ your brother speak English very well, too?” No, he _.”2. “_ you play tennis?” “Yes, I _.”3. The box is very heavy

12、. Tom _ move it.4. “What about seeing a new film this evening?” “Im afraid I _. I _ finish my English exercises this evening.”5. This fish wont keep fresh, we _ eat it now.6. You _ start now, or youll be late.7. Excuse me, sir. _ I ask you a question, please?Fill in the blanks with mustnt , neednt i

13、n their proper forms：1. You _ write to me if you dont have the time.2. You _ hurry. Im sure you wont be late.3. You _ forget to write to me when you arrive there.4. Jane, you _ play with the knife. Its very dangerous.5. Must I get there on time today? No, you _.6. Time is flying. We _ waste our time

14、.7. You _ be afraid of the difficulty. Well give you a helping hand.8. “Must I hand in the maths exercises tomorrow?” -No, you _. You may hand it in the day after tomorrow.9. Tom, you _ read in the sun. Its not good for your eyes.10. You _ worry so much. Im sure hell be well soon.Fill in the blanks

15、with modal verbs in their proper forms：1. Nobody _ live without air and water2. - _ he speak Chinese? -Yes，a little3. The book _ be returned before Saturday4. - _ I come in? - Yes，please5. _ you tell me where the station is?6. You dont _ worry about herShe is much better now7 If you want to pass the

16、 exam，you _ work harder.8 A: _ I finish my homework now? B: No, you _. You _ do it tomorrow.9. A: This pencil is very short, _ you still use it? B: No, I _. You _ buy one for me.10 A: _ I go out and play basketball, mum?B: No, you _ finish your homework first.11. A: _ I play football in the street?

17、B: No, you _.12 A: _ you find many people in the doctors waiting room.B: No, I _.Fill in the blanks with need(to) in their proper forms：1. _ I come tomorrow? 明天我需要来吗(need)？Yes, you _ / _. No, you _/ _. 2.He _ worry about his son. (need not)他不必为他的儿子担心。3. He_ some help. (need)他需要一些帮助。4. They _(not nee

18、d) help.他们不需要帮助.5. Julia _(need)_ (look)after the old man. (need) Julia需要照料这位老人。6. I _(not need) _(get) up early this morning.今天早上我不必早起.7. You need to cross the river by yourself,_ you?8. She didnt need to give you the book,_she?Exercise B_1. -Lets go to Taishan Park by taxi. Its not far. We _ take

19、a taxi. A. neednt B. cant C. mustnt D. couldnt_2.You _ play with fire, Tom. Its very dangerous A. neednt B. may not C. mustnt D. wouldnt_3.As we know, fish _ die out of water. A. may B. is going to C. can D. will_4.Can you answer my question, Lily? Yes, I _. A. may B. need C. must D. can_5.Excuse me

20、, _ you tell me the way to the nearest bus station? -Sorry, I cant. Im a stranger here. A. can B. need C. must D. may_6. -_ I have to show the school report to my parents, Miss King? -Yes, you do. A. Must B. Do C. Can D. May_7. -_ we swim in that river? No, you _. Its dangerous to swim there. A. Mus

21、t, cant B. Can, may not C. Shall, dont D. May, mustnt_8.After such a long journey, the children _ be very tired now. A. can B. must C. have to D. need_9.Youve made the same mistakes again. You _ be more careful next time. A. can B. may C. had to D. should_10. -_ I fill in the check-in form right now

22、, sir? -No, you neednt. You can complete it this afternoon. A. May B. Can C. Would D. Must_11.Must I finish reading the book today? -No. You _ if you have something else to do. A. mustnt B. couldnt C. cant D. dont have to_12.You look tired now. You _ stay at home and have a rest. A. had to B. had be

23、tter C. would like to D. neednt _13.Could I look at your pictures? Yes, of course you _. A. could B. can C. will D. might_14.Look at those big black clouds. It _ rain. Lets hurry. A. must B. will C. would D. is going to_15. Would you like to go swimming with me this afternoon? -Id love to. But Im af

24、raid I _. I have too much work to do.A. cant B. mustnt C. neednt D. may not_16.-_ you like to go shopping with me? Yes, I _.A. Would, would B. Will, will like C. Would, would love D. Would, would love to_17.Must I stay at home, Mum? -No, you _.A. neednt B. mustnt C. dont D. may not_18Can you go swim

25、ming with us this afternoon? -Sorry, I cant. I _ take care of my little sister at home because my mother is ill.A. can B. may C. would D have to_19.May I stop here? -No, you _. A. mustnt B. might not C. neednt D. wont_20._ I know your name? A. May B. Will C. Shall D. MustExercise C一、 Choose the best

26、 answer:( )1、_ you pass me a pen? Id like to write down the phone number. Sure. Here it is. A. Can B. Need C. Might D. Must( )2.May I go to the cinema, mum? Certainly, but you _ be back by 11 oclock. A. can B. may C. must D. need ( )3.You _ get there by bus. A. dont need B. neednt to C. dont need to

27、 D. need dont to( )4.You _ worry about me. Its nothing serious. A. cant B. mustnt C. neednt D. wont( )5.The man in the office_be Mr. Black, because he went home just now. A.mustnt B.may not C.cant D.neednt( )6.John_ come to see us tonight, but he isnt very sure yet. A. may B. can C. has to D. Must(

28、)7 -May I take this book out? -No, you_. A. cant B. may not C. neednt D. arent( )8You_ go and see a doctor at once because youre got a fever. A. can B. must C. neednt D. would( )9 -Can you speak Japanese? -No, I_. A. mustnt B. cant C. neednt D. may not( )10.-He_ be in the classroom, I think. -No, he

29、 _ be in the classroom. I saw him go home a minute ago. A. can; may not B. must; may not C. may; cant D. may; mustnt( )11. -Shall I get one more cake for you, Dad? -Thanks, but I _, Ive had enough. A. may not B. must not C. cant D. neednt( )12 The best students in our class cant work out this proble

30、m, so it_ be very difficult. A. may B. must C. can D. need( )13 He isnt at school. I think he _ be ill. A. can B. shall C. must D. has to( )14_ I take this one? A. May B. Will C. Are D. Do( )15. 1 The children_ play football on the road. A. cant B. can C. mustnt D. must( )16 You _ be late for school

31、 again next time. A. mustnt B. neednt C. dont have to D. dont need to( )17-Must I do my homework at once? -No, you_. A. neednt B. mustnt C. cant D. may not( )18. His arm is all right. He_ go and see the doctor. A. has not to B. dont have to C. havent to D. doesnt have to( )19 He had to give up the p

32、lan, _ he? A. did B. didnt C. does D. doesnt( )20 They had to walk here, _ they? A. mustnt B. did C. didnt D. hadnt( )21 He had better stay here, _ he? A. didnt B. dont C. hadnt D. isnt( )22Youd better_late next time. A. not to be B. not be C. wont be D. dont be( )23You_ ask that man over there. May

33、be he knows the way. A. had better not to B. had not better C. had better D. had better not( )24.1 -Shall we go and visit the History Museum next Sunday? A. Here you are B. Sorry, I cant C. All right D. Let me try( )25 -Why dont you ask Mike to go with us? -Thanks, _.A. I will B. I wont C. I do D. I

34、 may( )26-_ I take the newspaper away? -No, you mustnt. You_read it only here. A. Must; can B. May; can C. Need; must D. Must; must( )27Excuse me. _ you please pass me that cup? A. Do B. Should C. Would D. Must( )28 _ you like to have another try? A. Could B. Will C. Would D. Do( )29 -Would you like

35、 to go boating with us?-Yes, _.A. Id like B. I want C. Id like to D. I do( )30 You_ worry about your son. He will get well soon.A. neednt B. cant C. mustnt D. have to( )31 The poor man needs our help, _ he? A. Need B. neednt C. does D. doesnt( )32 -Must we do our homework first? -No, you_. You may h

36、ave a rest first. A. mustnt B. neednt C. may not D. cantExercise D( )1.- Where is Mary? - She _ in the library. A. should be B. must be C. can be D.need be( )2. “I think Helen is at home.”No, she _ be at home, she phoned me from the airport just five minutes ago.” A. mustnt B. needn C. cant D. daren

37、t( )3. “ _ he be watching TV now?” “Yes, he _ be watching TV now.” “ No, he _ be watching TV now.” A. Must; can; mustnt B. Can; must; cant C. Must; must; cant D. Can; can; mustnt( )4.You must be a writer, _ you? A. mustnt B. are C. must D. arent( )5 .“Must he do it?”“No, he _.” A. mustnt B. neednt C

38、. doesnt have to D. B or C( )6.“Need you go now?”“Yes, I _.” “No, I _.”A. need; neednt B. must; neednt C. may; mustnt D. can; neednt( )7.“May I borrow your bike?”“No, you _.”A. mustnt B. may not C. had better not D. cant( )8.“Can I do it?” “No, you _.”or “No, please _.”A. cant; doesnt B. cant; dont

39、C. cant; cant D. cant; you dont( )9.I missed the last bus, so I _ go home on foot. A. must B. have to C. may D. had to( )10. We _be hurry if we want to arrive in time. A. must B. need C. may D. have to( )11. _ you please pass on a message to him? A. Do B. Shall C. May D. Will( )12 ._ we set off now?

40、 A. Shall B. Will C. Would D. May( )13.“Will you lend me a hand?”“Yes, I _.” A. will B. shall C. can D. may( )14.Lets clean our room, _? A. will you B. dont we C. shall we D. do you( )15.Let us watch TV, _? A. will you B. dont we C. shall we D. do you( )16.Close the door after you, _ you? A. dont B.

41、 Do C. shall D. will( )17. “_ you like to see a film?”“Yes, Id like _.”A will; to B. Would; to see C. Would; to D. Will; to see( )18 .Its dark now.We have to go home, _ we?A. dont B. havent C. mustnt D. shouldnt( )19.He _ any help. A. neednt B. doesnt need C. need D. do need( )20.I wish to shake han

42、ds with you, _?A. will you B. shall we C. can you D. may I( )21.Must I finish all the exercises today? - No, you _, but you _ finish them before Friday.A. mustnt; need B. dont have to; must C. neednt to; need D. shouldnt; need( )22 .When the teacher speaks, we have to keep quiet, _?A. havent we B. d

43、ont we C. mustnt we D.shall we( )23. _ I go there at once. No, I dont think you _.A. Must; have to B. Do; need to C. Need; must D. May; should( )24.Can you go swimming with us this afternoon? -Sorry, I cant. I _ take care of my little sister at home because my mother is ill.A. can B. may C. would D.

44、 have to( )25. May I go to the cinema, Mum? -Certainly. But you _ be back by 11 oclock.A. can B. may C. must D. Need( )26.May I go out to play basketball, Dad? -No, you _. You must finish your homework first.A. mustnt B. may not C. couldnt D. neednt( )27.Where is Jack, please ? -He _ be in the readi

45、ng room.A. can B. need C. would D. Must( )28. Who is the man over there? Is it Mr Li? -No, it _ be him. Mr Li is much taller.A. musnt B. May not C. cant D. neednt( )29; Mum, may I watch TV now? -Sure, but you _ help me with my housework first.A. can B. may C. must D. could( )30; The boy said he had

46、to speak English in class, but he _ speak it after class. A. could B. didnt have to C. might D. shouldnt( )31. Mr Wang _ be in Nanjing now, he went to Beijing only this morning. A. mustnt B. may not C. cant D. neednt( )32. Michael _ be a policeman, for hes much too short. A. neednt B. cant C. should

47、 ( )33. _ you be happy! A. Might B. Must C. Wish D. May( )34.Cars and buses _ stop when the traffic lights turn red. A. can B. need C. may D. must( )35. Look out! The knife is very sharp. You _ cut your finger. A. need B. must C. should D. may( )36. May I have an apple, Mum? -Certainly. But you _ wa

48、sh your hands first?A. may B. must C. can D. need( )37. Shall I tell John about the bad news?-No, you _. I think that will make him sad.A. neednt B. wouldnt C. shouldnt D. mustnt( ) 38.Could I call you by your first name? -Yes, you _.A. will B. could C. may D. might( )39.Lets go to the cinema, shall

49、 we? - _.A. No, I cant B. Yes, I will C. Yes, thank you D. No, wed better not( )40.-_ the man there be our new teacher? -He _ be, but Im not sure.A. May; mustnt B. Can; may C. Must; cant D. Can; cant( )41. Sometime is knocking at the door. Who _ it be? -It _ be Tom. He is still in the school.A. can; cant B. can; mustnt C. might; could D. might; may