重点语法第七讲情态动词-PPT课件.ppt

1、第 七 讲初中重点语法突破新东方 植正洋情态动词情态动词感情感情情情态态动词动词态度态度情情态态动词动词情态动词表情感后加动词原形无数的变化could 过去时过去时现在时现在时 情态动词全家情态动词全家福福can may mightmustshallshouldneed情态动词情态动词情态动词情态动词1 1、can/couldcan/couldXie could chase Zhang.Sometimes women can be very difficult.-Can we take a photo together?-Of course you can.能力能力请求；允许请求；允许Can

2、we go back for good?Sorry,we cant.有时会有时会可能性可能性回答回答5情态动词情态动词1 1、can/couldcan/could 能力：能力：能，会能，会1.-_you swim?-Yes,but Im not a good swimmer.（2009北京）北京）Can B.May C.Need D.Must2.-Kate,_you dance the disco？-Yes,I can.(08福建福建)A.may B.can C.must D.need3.-Mary,_you speak Chinese?-Yes,only a little.(07北京北京)m

3、ust B.need C.may D.can4.-_your American friend eat with chopsticks?-Yes,but he cant use them well.（10山西）山西）A.Can B.Should C.Mustcant/couldnt(不能够；不会不能够；不会)5.Trees _ fight air pollutionThey are natural air conditioners.（10辽宁）辽宁）Ashould Bmust Cneed Dcan6.-Would you like to play basketball with me this

4、afternoon?-Id love to.But Im afraid I_.I have much homework to do.(09内蒙古内蒙古)A.may B.must C.cant D.neednt7.-Have you seen my glasses?I _find them.-Sorry,I havent seen them.(08湖北湖北)A.cant B.shouldnt C.wont D.mustnt8.They _ play football last Friday because Simon forgot to bring his football here.（10江苏

5、省）江苏省）A.could B.couldnt C.cant D.can6情态动词情态动词1 1、can/couldcan/could能力：能力：能，会能，会cant/couldnt(不能够；不会不能够；不会)请求；允许请求；允许-Could I borrow your dictionary?(1992全国全国)-Yes,of course you _.A.might B.will C.can D.should 7情态动词情态动词1 1、can/couldcan/could能力：能力：能，会能，会cant/couldnt(不能够；不会不能够；不会)请求；允许请求；允许有时会有时会(2009江苏

6、苏州江苏苏州)It is usually warm in my hometown in March,but it _be rather cold sometimes.A.must B.can C.should D.would8情态动词情态动词1 1、can/couldcan/could能力：能力：能，会能，会cant/couldnt(不能够；不会不能够；不会)请求；允许请求；允许有时会有时会可能性可能性(否定；疑问否定；疑问)1.-It must be John who is in the office.-Im sure it_ be John.I saw him off at the rai

7、lway station just twenty minutes ago.(09江苏江苏)A.wont B.mustnt C.cant D.neednt2.-Whos that girl swimming in the pool?Is it Lucy?-It_ be Lucy.She is sleeping in her bedroom now.(09山东山东)A.may B.cant C.must D.should3.-Whos that boy reading in the garden?Is it David?-I t _be David.I saw him in the classro

8、om just now.(08重庆重庆)A.must B.cant C.may D.shouldnt 4.-Mr.Smith must have been to your home this morning.-No,he_,because he didnt know my address.(10江苏省江苏省)A.couldnt B.cantC.mustnt D.may not5.Is Jessica giving us a speech this evening?-No,it _be her.She _to Japan.(10山东省山东省)A.mustnt;has gone B.mustnt;

9、has beenC.cant;has goneD.cant;has been已回已回未回未回9情态动词情态动词1 1、can/couldcan/could能力：能力：能，会能，会cant/couldnt(不能够；不会不能够；不会)请求；允许请求；允许有时会有时会可能性可能性(否定；疑问否定；疑问)cancan的否定回答用的否定回答用cant/couldntcant/couldnt(2009重庆重庆)-Can you play the piano?-Yes I_.I often practice it on weekends.A.neednt B need C.cant D.can 10情态动词

10、情态动词1 1、can/couldcan/could能力：能力：能，会能，会cant/couldnt(不能够；不会不能够；不会)请求；允许请求；允许有时会有时会可能性可能性(否定；疑问否定；疑问)cancan的回答用的回答用cant/couldntcant/couldntbe able to(各种时态各种时态 变变)can（现在时（现在时/过去时）过去时）11could 过去时过去时现在时现在时 情态动词全家情态动词全家福福can may mightmustshallshouldneed情态动词情态动词情态动词情态动词2 2、may/mightmay/might推测：可能；也许推测：可能；也许

11、1.-What would you send to your sister as the Christmas gift?-I havent decided yet.I _send her a handbag.(09四川四川)A.shall B.may C.must2.-What is your mother going to do this Saturday?-Im not sure.She_ go to see my grandmother.(10四川省四川省)A.canB.mustC.may情态动词情态动词2 2、may/mightmay/might推测：可能；也许推测：可能；也许请求，许

12、可：可以请求，许可：可以肯定回答肯定回答（may/can）否定回答否定回答（mustnt/cant)-May I sleep now?-No,you mustnt.1.-_ I use your ruler,Lingling?-Sure.Here you are.（10广西省）广西省）A.May B.Would C.Need D.Must2.-Dean,I hear youve got a set of Canadian stamps._I have a look?-Of course.Ill fetch them for you.（10山东省）山东省）A.MayB.MustC.Should

13、D.Need3.-May we leave the classroom now?-No,you _.You _to leave until the bell rings.(09黄黄冈冈)A.mustnt;are allowed B.dont have to;are supposed C.neednt;arent allowed D.cant;arent supposednot untilnot until（直到（直到才才）14情态动词情态动词2 2、may/mightmay/might推测：可能；也许推测：可能；也许请求，许可：可以请求，许可：可以肯定回答肯定回答（may/can）否定回答否定

14、回答（mustnt/cant)能力提升：也许能力提升：也许may bemay be（情态（情态v+bev+be）句中句中maybemaybe（advadv）句首）句首Maybe youll have better luck next time.He may be a soldier15could 过去时过去时现在时现在时 情态动词全家情态动词全家福福can may mightmustshallshouldwillwould情态动词情态动词过去时过去时现在时现在时情态动词情态动词3 3、mustmustmust do-must do-必须必须mustntmustnt do do-禁止禁止must

15、must do do-偏偏偏偏I hate people say You must do this,you mustnt do that.If people keep on like this,i must go and do the opposite.171.-Can I go to the movie,Mum?-Certainly,but you _ be back by ten oclock.（10湖北省）湖北省）A.can B.may C.might D.must2.-Can I wear any clothes I like to school?-No,you cant.You _w

16、ear a uniform.（10天津）天津）A.mightB.mustC.willD.would3.Its the library!So you _know shouting is not allowed here.（10江苏江苏)A.can B.must C.need D.may4.Everyone _go through the security check（安检）（安检）when entering the World Expo Park.(10上海上海)A.canB.mayC.mustD.ought5.Dont put off todays work for tomorrow.I me

17、an,todays work _today.（09河北）河北）may do B.must do C.may be done D.must be done6.-Who is the girl standing over there?-Well.if you _know,her name is Joe.(06甘肃甘肃)A.must B.may C.can D.shall7.You _ smoke.You are only 14 and it isnt allowed.（10湖北省）湖北省）mustnt B.dont have to C.neednt D.wont 8.Its a secret be

18、tween you and me.You _tell anyone about this.（05福建）福建）must B.can C.mustnt D.neednt 9.You _jump onto a bus while it is moving.Its too dangerous.(09辽宁沈阳辽宁沈阳)A.may not B.mustnt C.may D.must10.-Can I take the magazines out?-No,sir.They _ out of the reading-room.Its a rule.（10黑龙江）黑龙江）A.neednt be taken B.

19、cant take C.mustnt be taken情态动词情态动词3 3、mustmustmust do-must do-必须必须mustntmustnt do do-禁止禁止mustmust do do-偏偏偏偏肯定推测（肯定句）-There is someone knocking on the door.-There is someone knocking on the door.-It-It mustmust be be MikeMike.231.You_be tired after playing sports for a long time without a rest.(10四

20、川省）四川省）A.must B.need C.cant2.-Whose exam paper is it?-It _be Li Leis.He always forgets to write his name on it.(08陕西陕西)A.cant B.must C.shouldnt D.may3.-Susan has brought a large house with a swimming pool.-It _be very expensive.I never even dream about it.(2009江西江西)A.must B.might C.cant D.shouldnt4.

21、Jill looks so painful.There _be something wrong with her.Oh,dear!Wed better take her to the to the nearest hospital at once.(2019浙江浙江)A.can B.should C.would D.must情态动词情态动词3 3、mustmustmust do-must do-必须必须mustntmustnt do do-禁止禁止mustmust do do-偏偏偏偏肯定推测（肯定句）肯定回答mustmust否定回答否定回答neednt/dont have toneednt/

22、dont have to261.-Must I do the work now?-No,you _.You may do it later.(07四川乐山四川乐山)A.cant B.mustnt C.neednt D.shouldnt 2.Must I be in hospital for a week，Doctor?No，you _.You can go back home tomorrow.（10湖南省）湖南省）A.mustnt B.neednt C.must 3.-Mr.Wang,must I come again on Sunday morning to clean the windo

23、w?-No,you _.I have asked others to do it.(2009广东广东)A.dont have to B.mustnt C.cant D.shouldnt 4.-Must I _my camera,Lily?-No,you _.Dont worry.Ill take one myself.(09福建福建福州福州)A.to take;mustnt B.take;needntB.to bring;neednt D.bring;mustnt情态动词情态动词3 3、mustmustmust do-must do-必须必须mustntmustnt do do-禁止禁止mus

24、tmust do do-偏偏偏偏肯定推测（肯定句）肯定回答mustmust否定回答否定回答neednt/dont have toneednt/dont have to能力提升能力提升mustmust（主观必须）（主观必须）have tohave to（客观不得不（客观不得不无奈而为）无奈而为）I must work hard.I have to work hard.29could 过去时过去时现在时现在时 情态动词全家情态动词全家福福can may mightmustshallshouldneed情态动词情态动词情态动词情态动词4 4、shall/shouldshall/shouldshall

25、用于第一人称，征求意见用于第一人称，征求意见should表示义务、责任表示义务、责任（应该）（应该）ShallShall we run a red light?we run a red light?We We shouldshould obey traffic laws.obey traffic laws.1.I dont care what my teachers thinkWell，you_（10苏州市）苏州市）Acould Bwould Cshould Dmight2.Boys and girls.dont forget your report.It _ today.(10浙江省浙江省)

26、A.cant finishB.cant be finishedC.should finishD.should be finished情态动词情态动词4 4、shall/shouldshall/shouldshall用于第一人称，征求意见用于第一人称，征求意见should表示义务、责任表示义务、责任（应该）（应该）能力提升能力提升couldcould、shouldshould、wouldwould、mightmight表更委婉语气表更委婉语气WouldWould you tell me the way to the park?you tell me the way to the park?cou

27、ld 过去时过去时现在时现在时 情态动词全家情态动词全家福福can may mightmustshallshouldneed情态动词情态动词needneed实义动词情态动词need to do sthneed doing=need to be doneneednt do sth无人称和数的变化否定直接在后加not有人称和数的变化否定要借助 助动词需要做某事需要被.(表被动)不需要做某事But I need to prepare my lessons.A lot of lessons need preparing/to be prepared.I dont need to prepare my

28、lessons.A lot of lessons dont need preparing/to be prepared.I need not prepare my lessons.toI need a rest.needneed做情态动词只能用在否定句和疑问句中做情态动词只能用在否定句和疑问句中Look!Your shirt is so dirty.It_.A.need washing B.needs to wash C.needs washing D.need washIts said that trailwalkers need_ before the Its said that trai

29、lwalkers need_ before the charity walk.charity walk.A.a lot of exercises B.exercise a lotA.a lot of exercises B.exercise a lotC.practicing a lot D.to be trainedC.practicing a lot D.to be trained36You need _ the visiting togetherYou need _ the visiting together，but you but you neednneednt _ it togeth

30、er.t _ it together.A.to start,to finish A.to start,to finish B.finish,to start B.finish,to start C.start,to finish C.start,to finish D.to start,finishD.to start,finishThe doctor said he _ any help.The doctor said he _ any help.A.need B.needntA.need B.needntC.needed not D.didnt needC.needed not D.did

31、nt needn.实义动词情态动词need to do sthneed doing=need to be doneneed do sth否定直接加not需要做某事需要做某事needneed情态动词问答句情态动词问答句-Need I.?肯:-Yes,you must/need.否:-No,you neednt/dont have to.-Need I finish my homework on time?-Yes,you must/need.-Need I finish my homework on time?-No,you need not./dont have to.-Must I.?否:N

32、o,you neednt.Must I go with them tomorrow?No,you_.A.mustnt B.shouldnt C.neednt D.cant否定要借助助动词肯：Yes,you must-Must I leave right now?-No,you _.A.may not B.cant C.mustnt D.neednt Must I finish the work today?No,you .A.neednt B.cant C.doesnt D.mustnt The house needs _?A.clean B.cleaning C.to clean D.cle

33、ansto be cleanedIts Sunday morning.We _get up early.A.don t need B.don t have to C.haven t to D.needn t to-I was told to be here before 7 oclock.-Oh,you _.Im sorry for not telling you that we have changed the plan.A.must B.cant C.may D.needntdont have to=Must we clean the room right now?No,you .You_

34、clean it after lunch.A.neednt;may B.neednt;must C.mustnt;can D.mustnt;mayAttention please!Everyone here _ a raincoat,because the weather forecast says it is sunny today.(苏州市中考英语模拟试卷苏州市中考英语模拟试卷)A.doesnt need take B.needs to take C.neednt take D.neednt to take The problem has been solved.It_ any more.

35、(景范模考景范模考)A.needs discussing B.needs to be discussed C.needn t being discussed D.doesn t need discussingdare:敢敢All the children knew who broke the window,but they _point out.A.darent B.darent to C.dare D.dare to dont dare to 总结总结may/mightmustshall/shouldneedcan/couldThank you!Thank you!Thank youThan

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