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dont need to do do/doing;作情态动词，后接动词原形，否定neednt 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）；cant 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neednt/dont 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cant/mustnt.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。Wheres 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。 cant; has gone to D. cant； has been to2.Finish drawing a horse in ten minutes. OK?Sorry。 It_ in such a short time。 A. may do B. cant be done C。 must do D. neednt be done3.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。 can4。_you mend my car? I_not start it. A. Would; would B. Must； must C。 Can; can D。 May； may5._she ride when she was three years old?A. Can B。 Could C. Need D。 May6。 The boy_answer this kind of hard questions one year ago。A. can B。 may C. could7.Who is the man over there？ Is it Mr Li？No， it_be him. Mr Li is much taller。 A. mustnt B. may not C。 cant D。 neednt8。 -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; mustnt C. may; cant D。 may; wont9. -Is Mr Hu in the reading room？-No, he_be there。 He has gone to Tianjin. A. mustnt B。 neednt C. wont D. cant10。 _you pass me a pen？ Id like to write down the telephone number. A. Need B。 CouldC。 Must D。 Should二、提高题1。May I go to the cinema， Mum?Certainly. But you_be back by 11 oclock。 A. can B. may C。 must D. need2.SARS is such a terrible disease。Yes, it is. We_be more careful. A. can B。 may C。 must D. need3. To make our city more beautiful， rubbish_into the river. A. neednt be thrownB. mustnt be thrownC. cant throwD. may not throw4。 These books_out of the reading room. You have to read them here.A. cant take B。 must be takenC. can take D. mustnt be taken5. Cars, buses and bikes_stop when traffic lights change to red。 A。 can B. may C. must D. need6. 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。 mayC。 would D. have to7。 -Must I finish the work before five oclock？-No, you_。 A. neednt B。 mustnt C。 have to8。 -_I come back before five oclock？No, you_. But you_be back later than seven oclock。A. Need； must； mustntB. May; mustnt; cant C. Can； cant; cantD。 Must； neednt； cant9. -Must I clean the room right now?-No, you_. You_clean it after lunch.A。 neednt; canB. neednt； may C. mustnt； canD. mustnt; may10.Susans parents have bought a large house with a swimming pool。 It _be very expensive. A。 must B. can C。 mustnt D。 cant11。 This book_Lucys。 Look！ Her name is on the book cover. A. must be B. may beC. cant be D。 mustnt be12.-_I have your name, please?Yes， Michael。 M-IC-HA-E-L. A。 Must B。 Will C. May D。 Need13. -May I go to the cinema， dad？No， you_. You must finish your homework first。 A。 mustnt B. wontC。 dont D。 neednt14. May I smoke here？-_， you_. It can be dangerous。 A。 Yes； can B。 No； cantC。 Yes; may D。 No, neednt15。 You_go and ask Meimei。 She_know the answer. A. must; can B。 must; may C. need; can D。 can； may16。 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 neednt ;must B may not; must C neednt ；neednt D cant ；must 2。You _to the meeting this afternoon if you have something important to do.A neednt to come B dont need come C dont need coming D neednt come3。 Could I look at your pictures?Yes， of course you_。 A. could B. can C. will D. might4.He _ some time to rest because he feels thirsty and hungry.A.need B。needs C。needing D.needed5.I _ a car， the bike is good for me.A。dont need buy B.dont need to buy C.neednt to buy D.neednt buying6。 Someone 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; may7。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. mustnt B. may not C. cant D. neednt10. Must I stay at home， Mum？-No, you _。A. neednt B. mustnt C。 dont D。 may not11. -_ the man there be our new teacher?-He _ be, but Im not sure.A. May； mustnt B. Can; may C。 Must； cant D. Can; cant12. Even the top students cant work out this problem。 So it _ be very difficult.A. can B. may C。 must D. need13。 Its still early。 You _。A。 mustnt hurry B。 wouldnt hurryC. may not hurry D. dont have to hurry3