專項：情態動詞一考點：情態動詞的用法和辨析，情態動詞表示推測和可能，由情態動詞引導的一般疑問句的回答。二類型：1只是情態動詞：can,could,may,might,must2可做情態動詞，可做實義動詞：need,dare3可做情態動詞，可做助動詞：will,would,shall,should4特殊：haveto,oughtto,usedto三特征：1有一定的詞義，但不能單獨作謂語，必須與行為動詞和系動詞連用構成謂語。2無人稱和數的變化。（haveto除外）Eg:Hehastostayhere.3后接動詞原形。4具有助動詞作用，可構成否定，疑問或簡短回答。四用法：can①表示能力，“能，會”。Eg:Canyouplaybasketball?②表示懷疑，猜測，常用于否定句或疑問句。 Eg:Lihuacan,tbeintheclassroom.③表示請求，允許，多用于口語，譯“可以”=may. Eg:youcangonow.@can開頭的疑問句，肯定句，否定句用can或can7t..could①can的過去式，表示過去的能力。 Eg:IcouldswimwhenIwassevenyearsold.②could開頭的疑問句，肯定和否定回答用could,couldn,t如果could表示現在的委婉，用can回答。Eg:CouldIhaveadrink?Yes,youcan..may①表示推測，“可能，也許“，用于肯定句。 Eg:Hemaycometomorrow.②表示請求，“許可，可以“。Eg:MayIborrowyourbook?注：表示請求，許可時，主語為第一人稱的一般疑問句，否定回答用mustn't"不可以，禁止，不許"，不用maynot“可能不"。③表示祝愿。Eg:Mayyousuccess..might①表示“可以“，用于過去時中。 Eg:HetoldmeImightsmokeintheroom.②用于現在時，表示說話更委婉，禮貌。Eg:Hemightbedoinghislessonsnow..must①表示“必須，應該”。②表示推測，常用在肯定句中，表"一定”。 Eg:Thereissomeoneknockingatthedoor.ItmustbeJim.③否定句中，mustn,t表示禁止，“不允許”。④以must開頭的疑問句，肯定句回答用must否定回答用needn't,表示“不需要，不必”=“don,thaveto”.⑤表示“偏偏”。Eg:Mustyouplaythepianoatthistime..need①情態動詞：+do,用need提問或回答，肯定句回答用must，否定句回答用needn,t.Eg:Youneedn'tcometoschoolsoearly.②實義動詞：+todo，用助動詞提問和否定。③+doing表示被動。④needn'thavedone表示沒必要做某事但是做了。Eg:Iactuallyneedn'thaveboughtsomuchwine..dare①情態動詞，多用于疑問句，否定句，條件句中。 Eg:I'mafraidyoudarenottodosuchathing.注：Idaresay習慣說成“也許，我想”。Eg:Itwillrainthisafternoon,Idaresay.②實義動詞：daretodo，用于肯定句中，當用于否定句或疑問句時，to可以省略。Eg:Thisstudentdoesn'tdaretoraiseanyquestioninclass.hall①用于第一人稱表示征求意見，詢問。Eg:ShallIopenthewindow?Shallwehavelunchhere?②表示說話人的態度，”命令，警告，允諾，威脅”。Eg:Youshallfinishyourhomeworkfirst.③用于第三人稱，在條約，規定，法令等文件中表示義務或規定，”應該，必須”。（不常用）hould①表示義務，責任“應該”。Eg:Weshouldobeytrafficlaws.②作為shall過去式，用于第一三人稱，表示征求意見。Eg:MrLeeaskedifheshouldgethisvisa.③表示“竟然”。 Eg:It'sunthinkablethattheboyshouldsingsuchabeautifulsong.④表示說話人的特殊情感，如驚奇，憤怒，失望等。 Eg:HowshouldIknow?⑤表示勸告，建議，“應該”。 Eg:Youshouldlistentoyourteacher..will ①用于第二人稱表示詢問，請求，也可以表達現在的“意愿”。Eg:Willyoupassmethebook?②表示意愿，決定，允諾，用于各種人稱。Eg:Iwilltrymybesttohelpyou.③表示規律性的“注定會”。 Eg:Peoplewilldiewithoutairorwater..would①表示過去的意愿或委婉詢問。 Eg:Wouldyoutellmethewaytothestation?.haveto①“必須，不得不”，強調客觀需要，含有時態的變化。 Eg:I,llhavetoaskJiminstead.②區別：must表示“必須，應該“，主觀看法。13.oughtto①表示職責，義務或要求，及人們應該去做的正確的事或好事。Eg:Humansoughttostoppollutingnature.②比should語氣強，oughtto反映客觀情況，should表示主觀看法。③oughttohavedone本應該做而沒有做。Eg:Youarelate.Yououghttohavearrivedfiveminutesearlier..usedto①表示“過去常常，過去是“，沒有人稱和數的變化，可以和過去的時間狀語連用。否定形式:usedn'tto或didn,tuseto，疑問詞將use提前或Did...useto...?Eg:Hedidn'tusetobesocareless.②區別would:帶有主觀性，并且現在做不做不知道。Usedto:客觀性，和現在進行對比，過去常常，現在就不怎么做了。Eg:HewouldphonemeonSunday.Eg:IusedtobeveryfondofmusicwhenIwasyoung.③區別：beusedtodoing（情態動詞）習慣于...Usedtodo（情態動詞）過去是，過去常常…Beusedtodo（過去式）被用來做…Eg:Iamalreadyusedtonoisycitylifehere.MyparentsusedtoliveinSouthAmerica.Thismachineisusedtocutupwastepaper..其他：⑴hadbetterdo最好做某事Eg:Youhadbetterstayathome,否定：hadbetternotdo⑵beableto與can表示能力時用法相同，但前者有時態的變化，有能力成功做某事。Eg:Wewillbeabletocomebacknextweek.3完形填空Haveyoueverseentheadvertisement:Learnaforeignlanguageinsixweeks, 1giveyourmoneyback?Ofcourse,it2happensquitelikethat.Theonlylanguage3 tolearnisthemotherlanguage.Andthink4practiceisneededforthat.BeforetheSecondWorldWarpeopleusuallylearnedaforeignlanguage5theliterature(文學)ofthecountry.Nowmostpeoplewantto6aforeignlanguage.Everyyearmillionsofpeoplestartlearning7.Howdotheydoit?Somepeopletryathome8booksandtapes,othersgotoeveningclassesorwatchTVprograms.9theyusethelanguageonly2or3timesaweek,learningitwill10alongtime,likelanguagelearningatschool.Afewpeopletrytolearnalanguagefastbystudyingfor6or11_hoursaday.It'smucheasiertolearnthelanguageinthecountrywhereit 12.Butmostpeopleare 13 todothis,andmanypeopledon'thavetodoso.Machinesandgoodbookswillbevery14 ,buttheycannotdothestudents'work.15thelanguageislearnedquicklyorslowly,itishardwork.()1.A.soB.orC.andD.but()2.A.can'tB.impossibleC.neverD.often()3.A.easilyB.difficultC.ableD.easy()4.A.howmuchB.howlongC.howfastD.howmany()5.A.studiedB.tostudyC.studyingD.study()6.A.talkB.tellC.speakD.say()7.A.themB.thisC.thatD.it()8.A.withoutB.withC.inD.by()9.A.IfB.WhenC.SinceD.Until()10.A.spendB.useC.takeD.cost()11.A.someB.moreC.otherD.less()12.A.speaksB.isspeakingC.spokeD.isspoken()13.A.ableB.possibleC.unableD.notpossible()14.A.carefulB.forgetfulC.wonderfulD.helpful()15.A.eitherB.whetherC.whatD.how專題練習：一.選擇題ItisusuallywarminmyhometowninMarch,butitberathercoldsometimes.A.must B.can C.should D.wouldYoubehungryalready——youhadlunchonlytwohoursago!A.wouldn,t B.can,t C.mustn,t D.needn't——Whatdoyouthinkwecandoforouragedparents?——Youdoanythingexcepttobewiththemandbeyourself.A.don,thaveto B.oughtn,tto C.mustn,t D.can,tJohnpromisedhisdoctorhenotsmoke.Andhehasneversmokedeversince.A.mightB.shouldC.could D.wouldWhatapity!Consideringhisabilityandexperience,hebetter.A.needhavedoneB.musthavedoneC.canhavedone D.mighthavedoneLizawellnotwanttogoonthetrip——shehatestraveling.A.will B.canC.mustD.mayShehaveleftschool,forherbikeisstillhere.A.can,tB.wouldn,t C.shouldn,t D.needn'tAccordingtotheairtrafficrules,youswitchoffyourmobilephonebeforeboarding.A.may B.can C.would D.should——Ican,tfindmypurseanywhere.——Youhavelostitwhileshopping.A.mayB.can C.should D.would——I,msorry.Iatyoutheotherday.——Forgetit.Iwasabitoutofcontrolmyself.A.shouldn'tshoutB.shouldn'thaveshoutedC.mustn'tshoutD.mustn'thaveshouted——Whatsortofhousedoyouwanttohave?Somethingbig?——Well,itbebig——thafsnotimportant.A.mustn,t B.needn,t C.can,t D.won,t——Whatdoesthesignoverthereread?——“Nopersonsmokeorcarryalightedcigarette,cigarorpipeinthisarea”A.will B.mayC.shall D.mustSomeaspectsofapilot,sjobbebring;andpilotsoftenworkatinconvenient.A.can;havetoB.may;can C.haveto;mayD.oughtto;mustMyMP4playerisn,tinmybag.WhereIhaveputit?A.canB.mustC.shouldD.wouldTheweatherturnedouttobefineyesterday,Ithetroubletocarrymyumbrellawithme.A.shouldhavetakenB.couldhavetakenC.needn,thavetaken D.mustn,thavetakenIncrowdedplaceslikeairportsandrailwaystations,youtakecareofyourluggage.A.can B.may C.must D.will——Shelooksveryhappy.Shehavepassedtheexam.——Iguessso.It,snotdifficultafterall.A.should B.could C.must D.mightItoldyourfriendhowtogettothehotel,butperhapsIhavedrivenherthere..could B.must C.might D.should5.——Mr.Gordonaskedmetoremindyouofthemeetingthisafternoon.Doiitforgetit!——OK,I.A.won,t B.don,t C.can,t D.needn't.——HowisyourtouraroundtheNorthLake?Isitbeautiful?---Itbe,butitisnowheavilypolluted.A.will B.would C.shouldD.must.Thebiggestproblemformostplants,whichjustgetupandrunawaywhenthreatened,isthatanimalsliketoeatthem.A.shan,t B.can’t C.needn,t D.mustn't.——Whereismydictionary?IrememberIputithereyesterday.——Youitinthewrongplace.A.mustputB.shouldhaveputC.mightputD.mighthaveput.——What'sthename?——Khulaifi.Ispellthatforyou?A.Shall B.WouldC.Can D.Might.——Whoisthegirlstandingoverthere? ---Well,ifyouknow,hernameisMabel.A.may B.can C.