1、情态动词目标CONTENTS定义+使用原则0102表能力0304表命令和建议0506情实共存表请求和许可表推测一、定义表示说话人的情绪和态度。说出5个加5分，5个以上1个1分重点1使用原则使用原则1、不能单独使用，后接动词原形，构成谓语2、没有人称和数的变化。3、否定直接在单词后加not。（可缩写）【：have to，be able to不属于情态动词，但是他们带有情态含义，注意人称、数和否定结构的变化。】重点2使用方法一、表能力：能，会，可以Frank can speak English and French.His husband LZY could eat 10 Chinese hamb
2、urgers for one meal before.三、表能力：能，会，可以情态动词人称和数的变化强调点时态can/couldbe able to zyf is able to take care of himself.one day,Spider-Man will be able to save the world.无有强调自身已具有的能力强调通过努力而获得的能力can用于现在时could用于过去时多种时态小试牛刀1、If you work hard at your English,Im sure you will _ speak English very well next year.A
3、.canB.are able toC.be able toD.could2、-Life gets easier with the Internet.-Thats true!We_ do almost everything online.A.canB.couldC.needD.are able to3、The scenery was breathtaking!Im so glad that we_go rock-climbing together.A.couldntB.canC.were able toD.need4、Im afraid of heights,so I _climb that m
4、ountain.A.cantB.am not able toC.couldD.must二、表请求和许可表示请求的动词有：cancouldmaymightwillwouldshall1.Can/Could I borrow your pen?2.May/Might I use your phone?3.Will/would you marry me?表示请求的动词有：cancouldmaymightwillwouldshall注意：1、其中could、might、would在表请求时更加委婉，但不用于回答。2、may与might用于疑问句的回答May/Might I use your phone
5、?yes,you_.no,you_.may/cancant/mustnt【may not不可用】【surecertainlyno problem也可以】3、will、would多用于第二人称作主语的疑问句中，shall可以用于一、三人称中表示请求的动词有：cancouldmaymightwillwouldshallWill you pass me the book?Would you help me,please?Shall I open the window?shall we hand in your papers now?cancantwillwont-_I know by what ti
6、me you want the project to be done?-By the day after tomorrow._you finish it on time?A.may;canB.must;needC.could;mustD.need;wouldHe must go home now,beacuse he has to do homework.he has to help others because he is a volunteer.表命令和建议三、表命令和建议肯定含义人称和数的变化强调点例句musthave toshould/ought to/否定含义人称和数变化强调点例句/
7、必须不得不应该无有无主观意愿由于客观因素不得不mustntdont have toshouldnt/oughtnt to禁止；不允许不必不应该无有无CJC must help ZYF because he is my best friend.I cant watch TV tonight because I have to do housework.【注意】：在回答must提问的句子时，进行肯定回答用_，进行否定回答用_/_【不可用mustnt】must或者have toneedntdont have to经典例题1.We_use mobile phones when the plane ta
8、kes off.A.may notB.dont have toC.needntD.mustnt2.He_wear a school uniform from Monday to Friday.Its our school rule.A.has toB.ought toC.mustD.have to3.-Must I hand in my homework now，Mr.Smith？-No,you_.A.cantB.shouldntC.mustntD.neednt4.Drivers_wear seat belts while their cars are running on the road.
9、A.wouldB.canC.mustD.may总复习1、-Can your sister play the piano？-_.Its too difficult for her.A.Yes;she does.B.Yes;she can.C.No;she doesnt.D.No;she cant.2、Mr.Gu is good at languages.He_speak eight languages.A.mayB.mustC.canD.has to 3、Bob can play baseball，but he_ play the drums.A.canB./C.cantD.must4、I ca
10、nt find my watch anywhere.I_find it,or（否则）my mother will be angry.AcanB.mayC.mustD.could5、-Must I get up early tomorrow？-No，you_.A.mustB.mustntC.dontD.dont have to6.-Paul has lost his phone.-No.Its in his bag.I_hear it.A.mustB.canC.have toD.need7.-Must I clean the window now？-No,you_.A.mustntB.needn
11、tC.cantD.may not8.My brother _his piano and he plays it _.A.can plays;good B.cant play;goodC.can play;wellD.doesnt play;well9.Molly_ read a book after dinner before she _watch TV.A.can,has toB.should,cantC has to,canD.cant,must10.The air is so clean and we_see many green trees and beautiful flowers
12、on the mountain.A.mayB.mustC.canD.have to四、表推测的情态动词表推测表“确定”的推测表“不确定”的推测含义：一定含义：可能肯定：must否定：cant肯定：can、could、may、might否定：may not、might not注意：1、在表推测的时候，might/could不是may，can的过去式，而是委婉表达，语气比may，can更加委婉.2、mustnt意为不允许，禁止，表示命令，不用于表示推测3、表推测时，语气由强到弱依次为mustcantcancouldmaymight小试牛刀1、-Have you decided where to s
13、pend your winter holiday？-Not yet.We_ go to Hong Kong.A.mayB.mustC.shouldD.need2、-What will the weather be like tomorrow？-It_be rainy,cloudy or sunny.Im not sure.A.mustB.shouldC.cantD.might3、-My Chinese book is nowhere to be found.Where_it be？-Is it under the sofa？A.couldB.mustC.shouldD.need4、-It _b
14、e John who is still working in the office.-Im sure it _be John.I saw him off at the airport just this morning.A.would;shouldntB.may;mustntC.must;cantD.can;neednt五、情实共存：need、dare共同点不同点意思相同；不管是情态动词，还是实义动词，need都为需要，dare都为敢的意思情态动词实义动词三原则否定+not无三单后加动词原形dont,doesnt+need/dare有三单后面加to doneed情态动词实义动词肯定句否定句一般
15、疑问句肯定句否定句一般疑问句dare情态动词实义动词1、Im feeling much better now so you_call the doctor.A.couldntB.wouldntC.cantD.neednt2.She _ask her parents for the pocket money.A.doesnt dareB.darent toC.dares notD.dare not小试牛刀3.I will help you finish the work,so you _worry about it.A.needB.need toC.needntD.dont need4.I _
16、you,because I thought I must be wrong.A.dare not askB.dare not to ask C.dare not asking D.dare to not ask关于情态动词的一些附加小知识，你知道吗？May you succeed.希望你成功。May the friendship between our two countries lasts forever.希望两国之间的友谊万古长青。may表示祝福：may+主语+do1.-_I want to be an artist，but it _a little hard.-Work hard,and
17、 yousucceed（成功）at last.A.May be;maybe B.Maybe;may be C.Maybe;maybe D.May be;may be2.-Is this Peters volleyball？-It_ be his.He doesnt like volleyball at all.A.shouldB.mustC.cantD.might3.-Look!The man at the gate _be our headmaster.He is always standing thereevery morning.-No,it _be him.He is holding a meeting in the office now.A.cant;cantB.must;cant C.cant;cantD.must;mustnt4.The new-opened wetland park doesnt have anything special and it _be a wonderful place to visit.A.may notB.mayC.mustD.must not
