5.1系动词助动词情态动词.doc

(word完整版)5.1系动词助动词情态动词
系动词、助动词、情态动词
一、 情态动词
1.can(could）:能够、可能、可以；may（might):可以、可能；must:必须； shall：将会；should:应该；will:将会，愿意；would:将会
2.半情态动词（后接动原,但否定和疑问句要借助do):have to不得不,had better最好，used to过去常常
3.情态动词无三单(have to除外）；不能单独使用，后接动词原形共同构成谓语
4。 need既可做实义动词又可做情态动词(作实义动词,后接to do/doing,否定don’t need to do do/doing;作情态动词，后接动词原形，否定needn’t do)
5。表推测：must be一定是（语气最肯定），can be可能是,may be也许是（语气最不肯定）；can’t be一定不是（语气最肯定，must be的否定形式)
6.maybe也许（副词，常用在句首）；may be也许是（谓语动词，用在句中）
7.must与need开头的一般疑问句，肯定回答用must，否定回答用needn't/don’t have to(不必）。
8。may开头的一般疑问句，肯定回答用may/can,否定回答用can't/mustn’t.
二、系动词
1。系动词后可接形容词。
2.表示状态的系动词be(am， is, are, was, were,been），keep ，stay,表示感觉的半系动词feel (摸起来，感觉)， look （看起来)， smell （闻起来)， sound (听起来），taste（尝起来）；
三、助动词
1.助动词本身无词义或意义不完整，必须和实义动词共同构成谓语.
2.常用的助动词：be(am, is, are， was, were,been，being)用于进行时态或被动语态;do(does,did)用于一般现在时或一般过去时的否定句和疑问句；have（has，had）用于完成时态；will,shall，would,should用于将来时态，shall/should只能用于第一人称。

情态动词与系动词练习题
一、基础题
1。—Where's Mr Lee? I have something unusual to tell him。 -You________ find him。 He________ Japan。
A。 may not; has gone to B. may not; has been to C。 can’t; has gone to D. can’t； has been to
2.—Finish drawing a horse in ten minutes. OK?—Sorry。 It________ in such a short time。
A. may do B. can't be done C。 must do D. needn't be done
3.I have my own room in my house， so I________do what I want in it.
A。 must B. have to C. need to D。 can
4。________you mend my car? I______not start it.
A. Would; would B. Must； must C。 Can; can D。 May； may
5.________she ride when she was three years old?
A. Can B。 Could C. Need D。 May
6。 The boy________answer this kind of hard questions one year ago。
A. can B。 may C. could
7.Who is the man over there？ Is it Mr Li？—No， it________be him. Mr Li is much taller。
A. mustn't B. may not C。 can’t D。 needn’t
8。 -Listen！ Someone is singing in the next room. Who________it be？ Is it Wei Fang？
-No。 It________be her. She is at school now.
A。 will； may not B. must; mustn't C. may; can't D。 may; won’t
9. -Is Mr Hu in the reading room？-No, he________be there。 He has gone to Tianjin.
A. mustn't B。 needn't C. won’t D. can't
10。 ________you pass me a pen？ I’d like to write down the telephone number.
A. Need B。 Could　C。 Must D。 Should
二、提高题
1。—May I go to the cinema， Mum?—Certainly. But you________be back by 11 o’clock。
A. can B. may C。 must D. need
2.—SARS is such a terrible disease。—Yes, it is. We________be more careful.
A. can B。 may C。 must D. need
3. To make our city more beautiful， rubbish________into the river.
A. needn’t be thrown　B. mustn't be thrownC. can't throw　D. may not throw
4。 These books________out of the reading room. You have to read them here.
A. can’t take B。 must be taken　C. can take D. mustn’t be taken
5. Cars, buses and bikes________stop when traffic lights change to red。
A。 can B. may C. must D. need
6. —Can you go swimming with us this afternoon？
　-Sorry， I can’t。 I________take care of my little sister at home because my mother is ill.
A。 can B。 may　C。 would D. have to
7。 -Must I finish the work before five o’clock？-No, you________。
A. needn’t B。 mustn't C。 have to
8。 -________I come back before five o'clock？
—No, you________. But you________be back later than seven o’clock。
A. Need； must； mustn’t　B. May; mustn't; can't C. Can； can’t; can't　D。 Must； needn’t； can't
9. -Must I clean the room right now?-No, you________. You________clean it after lunch.
A。 needn't; can　B. needn’t； may C. mustn't； canD. mustn’t; may
10.Susan's parents have bought a large house with a swimming pool。 It ____be very expensive.
A。 must B. can C。 mustn't D。 can’t
11。 This book________Lucy's。 Look！ Her name is on the book cover.
A. must be B. may be　C. can’t be D。 mustn’t be
12.-________I have your name, please?—Yes， Michael。 M-I—C-H—A-E-L.
A。 Must B。 Will C. May D。 Need
13. -May I go to the cinema， dad？—No， you________. You must finish your homework first。
A。 mustn’t B. won’t　C。 don’t D。 needn’t
14. —May I smoke here？-________， you________. It can be dangerous。
A。 Yes； can B。 No； can’tC。 Yes; may D。 No, needn't
15。 You________go and ask Meimei。 She________know the answer.
A. must; can B。 must; may C. need; can D。 can； may
16。 Look out! The knife is very sharp。 You________cut your finger.
A。 need B. must C。 should D. may
三、巩固
1.A teacher __do every exercise， but a pupil___.
A needn’t ;must B may not; must C needn’t ；needn’t D can't ；must
2。You ___to the meeting this afternoon if you have something important to do.
A needn’t to come B don't need come C don't need coming D needn't come
3。 —Could I look at your pictures?—Yes， of course you________。
A. could B. can C. will D. might
4.He ______ some time to rest because he feels thirsty and hungry.
A.need B。needs C。needing D.needed
5.I _______ a car， the bike is good for me.
A。don't need buy B.don’t need to buy C.needn’t to buy D.needn't buying
6。 –Someone is knocking at the door. Who ______ it be?
-—It ______ be Tom。 He is still in the school.
A. can； can’t B. can; mustn’t C。 might; could D。 might; may
7。He ________ run a train when he finishes his training in that college.
A.can B.will can C.is able to B.will be able to
8.He ________ sing 30 songs when he was five.
A。can B.have could C.has been able to D。had been able to
9. Mr Wang ______ be in Nanjing now， he went to Beijing only this morning.
A. mustn't B. may not C. can’t D. needn’t
10. –Must I stay at home， Mum？—-No, you ______。
A. needn't B. mustn’t C。 don't D。 may not
11. -—______ the man there be our new teacher?--He ______ be, but I’m not sure.
A. May； mustn’t B. Can; may C。 Must； can’t D. Can; can’t
12. Even the top students can’t work out this problem。 So it ______ be very difficult.
A. can B. may C。 must D. need
13。 It’s still early。 You ______。
A。 mustn’t hurry B。 wouldn't hurryC. may not hurry D. don't have to hurry

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