情态动词虚拟语气完整

助动词,情态动词,语气时态,作用,感情,语气,态度。,不独立,Iamhavingbreakfastnow.,IcandoitYoumustfinishyourhomeworktonight.,语气,时态,情态动词,共性,个性,情态助动词,半,全,实义动词,can（could）-beabletomay（might）-beallowedtomust-have（got)toshall（should）-besupposedtowill（would）-isgoingto,情态全助动词,不重复,情态半助动词,dareneedusedtohadbetterwouldratheroughtto-besupposedto,“敢”,否定、条件、疑问句Shedarenotdoit.Dareyoualonegohomeat11pmintheevening？HeaskedmeifIdaregotherealone.,否定、条件、疑问句Shedarenotdoit.Dareyoualonegohomeat11pmintheevening？HeaskedmeifIdaregotherealone.,高考命题特点归纳,1，情态动词的个性用法2，情态动词的共性用法3，测试对现在与过去的推测的试题很多注意：一定在要在全面了解的情况下，重点掌握情态动词的特殊用法,推测,助动词（情态助动词）特征,不重复,不改变,两个助动词不能在一起,不因主语人称变化而改变形态,HecannotspeaksEnglish,HedoesntcanspeakEnglish.,HecannotspeakEnglish,HecannotspeakEnglish.,不独立,1.表能力,can与could,4.表示推测,2.表示“许可”,3.表示“请求”,Itcantbetrue.Canitbetrue？Howcanitbetrue？,must,多用于否定（不可能）疑问句（特殊、一般）,Michael_beapoliceman,forhesmuchtooshort.A.needntB.cantC.shouldD.may2.Mr.Bushisontimeforeverything.How_itbethathewaslatefortheopeningceremony?A.canB.shouldC.mayD.must,B,A,musthaveto,必须,Eg:1)Youmustfinishyourhomeworkfirst.2)Childrenmustntspeaklikethattotheirparents.,2.回答must所在的一般疑问句时，否定回答用“neednt”“donthaveto”.,Eg:-Mustwefinishtheworktomorrow?-No,youneednt/donthaveto,butyoumustfinishitinthreedays.,3.表推测，用于肯定句，意为“一定”“务必”。,Eg:1)Bettymustbeinthenextroom.2)Hemustbewateringtheflowersinhisgarden.,must,必须猜测,neednt,haveto,oughtto,should,义务、责任,劝告、建议,shall,命令,本应该,should,Eg:ItsoddthatyouandIshouldhavethesamename.,Eg:Icantimaginethatawell-behavedgentlemanshouldbesorudetoalady,竟然,形容词、Idontknowwhy,should,Eg:Ivebroughtmyumbrellaincaseitshouldrain.,万一,Incase、lest,第二、三人称,条约约定,第一条：大便后要洗手Youshallwashyourhandsaftertakingadung.,shall,Shall与第一、三人称连用，疑问句征求与第一人称，肯定句决心2，will表意志、意愿，习惯性,Eg:1)Shallwebeginourdiscussion?2)IfIwannadosomething，Ishalldo.,shallwill,习惯性，某种倾向，,will,表“请求、建议”等，用would比用will委婉，客气些,时态搭配,1,Accidentswillhappen.2,Adrowningmanwillcatchatastraw.,将,would,will现在，would过去,习惯性,Choosethebestanswers:1.Ithoughtyou_likesomethingtoread.SoIhavebroughtyousomebooks.A.oughtB.mightC.wouldD.must,May(might),请求、许可,猜测（可能）,may祝愿,might可用于现在或过去时间其所表示的可能性较may低。,表“祈愿”1,祝你玩的开心。Mayyouenjoyyourself.2,祝你成功。Mayyousucceed.,1.SorryImlate.I_haveturnedoffthealarmclockandgonebacktosleepagain.A.mightB.shouldC.canD.will2.Peter_comewithustonight,butheisntverysureyet.A.mustB.mayC.canD.will,A,B,推测,must，can，cant，may/might,情态动词+havedone,过去的猜测,情态动词+do,现在、将来的猜测,一、表示对过去事情的推测或估计,musthavedone“想必或肯定已经做了某事”2.may/mighthavedone“可能/大概已经做了某事”3.cant/couldnthavedone“不可能已经做了某事”,2.ThatmanmustbeSarahshusband.-No,he_beherhusband.Sheisstillsingle.A.cantB.mustntC.maynotD.oughtto3.Peter_comewithustonight,butheisntverysure.A.mustB.mayC.canD.will,4.What_itbe?-It_beamailbox,foritismoving.It_beacar.A.can;cant;mustB.can;can;mustC.can;mustnt;mustD.must;mustnt;can5.Look,someoneiscoming.Guess_.-Jack.Hesalwaysontime.A.whocanitbeB.whohemayC.whohecanbeD.whoitcanbe,6.IsawMaryinthelibraryyesterday.-You_her.Sheisstillabroad.A.mustntseeB.canthaveseenC.mustnthaveseenD.couldntsee7.David,you_playwiththevaluablebottle,you_breakit.A.wont;cantB.mustnt;mayC.shouldnt;mustD.cant;shouldnt,8.SusanrefusestomarryJacknow.She_hermind.A.mustchangeB.shouldhavechangedC.musthavechangedD.wouldhavechanged,9.Sue_cometogetherwithustonight,butsheisntverysureyet.A.mustB.mayC.needD.will,10.AuntMargaret_thetrain,otherwiseshewouldhavearrivedherebynow.A.musthavemissedB.shouldhavemissedC.hadmissedD.mightmiss,共性,推测,must，can，cant，may，might,Revision,肯定句中，表示对当前行为、状态、情况的推测用：must/may/might/could+do/be,否定句用cannot,couldnot,maynot,mightnot.,疑问句用can,猜测语气：mustmaymight/could,表示对此时此刻正在进行的动作的推测用：must/may/might/could+bedoing,Thelightison.Hemust/may/might/couldbestudying.,Thelightisnton.Hecannot/maynot/mightnot/couldnotbestudying.,Thelightison.Canhebestudyingnow?,Whatdoyouthinkthepigisdoing?,Hemust/may/might/couldbedoingmorningexercises.,Practice,Cantheybeplayingnow?,Yes,theymust/may/might/couldbeplayingnow.,No,theycannot/couldnot/maynot/mightnotbeplayingnow.,Theymustbefightingnow.,Whatdoyouthinkheissingingnow?,Hemust/may/might/couldbesingingONLYYOUnow,表示对过去发生事情的推测用：must/may/might/could+havedone/been,Shepassedtheexam.Shemusthaveworkedveryhardbeforetheexam她通过了考试。她考试前一定很用功。,他们昨天不可能那么快完成工作。Theycanthavefinishedtheworksosoonyesterday.,她可能在我到这之前就离开了。Shemay/mighthaveleftbeforeIcamehere.,情态动词,共性,个性,1._itbeLiPingwhobroketheglass?No.It_beWuDongwhodidit.A.Can;mustB.Must;needC.May;mustD.Need;canA,2.DontforgettovisitmewhenyoucometoBeijing._.A.IdontB.IwontC.IcantD.IhaventB,3.CouldIuseyourbike?Yes,surelyyou_.A.mightB.willC.canD.shouldC,4.Herbrother_beathomenow,becausehewasseenplayingbasketballinthestadiumjustnow.A.mustntB.needntC.cantD.shouldntC,5.Whencanyougetmycarrepaired?Ineedittomorrowmorning.It_bereadyby8:00.A.canB.needC.mightD.shouldD,建议,6.Areyoucomingfordinner?Imnotquitesure.I_gotomyunclesinstead.A.mustB.wouldC.shouldD.mightD,7.Dontbelievehim.Whathesaid_betrue.A.mustntB.needntC.shouldntD.maynotD,8._Igohomenow,sir?No,you_.Youshouldfinishthecompositionfirst.A.Might;wouldntB.May;hadbetternotC.Must;mustntD.Need;mustntB,9._heuseyourbike?Certainly.Hereisthekey.A.ShallB.MustC.WillD.DoesA,10.MrBushisontimeforeverything.How_hebelatefortheimportantmeeting?wouldB.shouldC.mightD.needB,还没完呢,should/oughtto,would,二、表示对过去所发生事情的遗憾或责备,虚拟,一、表示对过去事情的推测或估计,must，could，cant，may/might,should/oughttohavedone“过去本该做而没做”.2.shouldnt/oughtnttohavedone“过去不该做的事却做了”3.could/mighthavedone“本来能够做的事却没做”,Heneednthavecome.Hedidntneedtocome.,他本没有必要来（实际也没来）,他本没有必要来（实际却来了）,4.neednthavedone“原本不必做的事却做了”,5.didntneedtodo/didnthavetodo“没有必要做，实际也没做”,6.Wouldratherhavedone“本想做却未做成”,宁愿1.wouldratherdosth.2.wouldratherdosththandosth.3.woulddosthratherthandosth.4.wouldrathersb.do5.prefertodosth.6.prefertodosth.ratherthandosth.7.preferdoingsth.todoingsth.,can（could）may（might）mustshall（should）will（would）dareneedusedtohadbetterwouldratherought,情态助动词,虚拟,could,would,should,might,虚拟语气,假设,事实,真实条件句,非真实条件句,非真实相反,时态,事实与假设时态差一级,时态,一致性错综性,if,各自为证,状语从句、宾语从句、表语从句同位语从句、主语从句、定语从句,虚拟语气适用的句子,简单,复合,条件句,一致性,Ifshould+VRwereto,IfVed,Wouldcouldshouldmight+VR,Wouldcouldshouldmight+VR,Ifhad+PP,wouldcouldshouldmight+havedone,If引导的虚拟条件句，句中含有had,should，were时可以省略if,【例】_tothedoctorrightaway,hemighthavebeenalive.A.IfhewentB.WerehegoneC.ShouldhehavegoneD.Hadhegone,D,一致性,错综性,时态各自为证,【例子】Ifhe_hislegsyesterday,he_theSummerPalacewithusnow.A.hadnthurt;wouldvisitB.hadnthurt;wouldhavevisitedC.didnthurt;wouldvisitD.didnthurt;wouldhavevisited,A,连词：Butfor，without，with，under，but，butthat，or，otherwise，,没有if的时候,标志,if.not,【后跟do，should被省略】：建议性：suggest，propose，recommend，advise，move，主张性：insist，maintain，hold，urge要求：ask，request，require，demand，desire，p