高考英语语法情态动词[公开]PPT课件

.,1,Unit1GrammarandUsage,ModalVerbs,.,2,SceneOne,Whenyoulostyourwayinastrangeplace,youmayaskthepoliceorapasser-byfordirections.Youwillsay:_youtellmethewaytotheGrandHotel?,.,3,SceneTwo,Youneedtolookupanewwordbutyouveleftyourdictionaryathome.Youcanborrowonefromyourclassmate.Youwillsay:_Iborrowyourdictionary?,.,4,SceneThree,YourfriendaskyouforadviceonimprovingEnglishlisteningability,andyouwillsay:Ithinkyou_listentoEnglishprogramasoftenaspossible.,.,5,SceneFour,YougotovisitMr.Greenbutarenotsurewhetherheisathomeornot.Whenyouseethelighton,youwillsay:Well,he_beathome.,.,6,SceneFive,Asyouarestudentsnow,youoftenhearyourparentsandteacherssay:You_studyhard.,.,7,SceneSix,Youvemadeanewforeignfriendandyouaskhim:_youspeakChinese?,.,8,CouldyoupleasetellmethewaytotheGrandHotel?MayIborrowyourdictionary?IthinkyoushouldlistentoEnglishprogramasoftenaspossible.Well,hemustbeathome.Youmust/havetostudyhard.CanyouspeakChinese?,.,9,1.Weusemodalverbstotalkabout:,1.Ability（能力）2.Obligation（义务）3.Certainty（可能性）4.Permission（允许）,.,10,2.Wealsousemodalverbsto:,5.Makerequests（提出请求）6.Makesuggestions（提出建议）7.Makeoffers（提供帮助）8.Giveadvice（提出意见）,.,11,1.Ability(能力):,LiuXiangcanrunthe110mhurdleracewithin13seconds.,.,12,can/could:,1.can一般表示与生俱来的能力或者一种客观可能性(理论上的),还可以表示请求和允许。,LearningEnglish_bedifficult.,can,Mancannotlivewithoutair.,_Iuseyourbike?,Can,.,13,can/could:,2.在疑问句中，用could可表示请求，语气较委婉。,_Ihavethetelevisionon?Yes,you_./No,you_,Could,Heasksifhe_smokehere.,could,can/may,cant/Imafraidnot,.,14,can/could:,3.表示惊异、怀疑、不相信的态度。（主要用在否定句、疑问句或惊叹句中）,Hessuchanicepersonthathe_committhecrime.,cant,你怎么会如此地粗心！,Howcanyoubesocareless!,Canthisbetrue?,.,15,Attention:,can/beableto区别:,Edisonalwayswonderedwhyhenscouldhatch(孵)chickenswhilehewasnotableto.,Question:Arethetwomodalverbsinterchangeable(互换)?Ifnot,why?,can表示与生俱来的能力或一种客观可能，而beableto更加强调通过后天的学习和努力获得的能力，或者在某个客观的场合和背景下，能做到的事情。,.,16,Attention:,can/beableto区别:,AbigfirebrokeoutinABChotelyesterday.Luckily,everyone_runoutofthebuilding.,wasableto,2.She_speakbothEnglishandFrench.,can,.,17,ShiDongpengmightwinamedalattheOlympicGames.,Althoughthechanceofwinningamedalissmall,Illtrymybest!,2.Certainty(可能性):,.,18,Attention:,veryuncertain,almostcertain,might,should,must,may,could,oughtto,will,1.He_beathome.,2.He_beathome,forhejustcalledmefromhishome15secondsago.,A.mayB.mightC.must,A.mayB.mightC.must,(can),.,19,must表示肯定的猜测，译为“一定”，不能用于否定句或疑问句。Thismustbeyourpen.Hemustbedoinghishomeworknow.Hemusthavearrivedalready.,must,.,20,2.must表猜测的时候，其否定形式为cant而非mutsnt.,Thiscantbedonebyhim.,3.should也可以用于推测,表示未来一种合乎理想的情况或结果。,Itsnearly7oclock.Jackshouldbehereatanymoment.,.,21,Attention:,They_bedoingtheexperimentinthelab.Why？Becausethelightsarestillburning.,A.couldB.canC.mustD.would,.,22,3.Makingsuggestions(提出建议):,Shallwedothetraininginthemorning?,Itstoohottotakeexerciseintheafternoon.,.,23,shall:,1.Shall用于第一、第三人称疑问句中，表示说话人征求对方的意见、向对方请示或提供帮助。,1.Shallwebeginourlesson?2.Whenshallhebeallowedtoleavehospital?3.ShallIcarrythisbagforyou?,.,24,shall:,2.Shall用于第二、第三人称，表示说话人给对方命令、警告、允诺或威胁。,Youshallfailifyoudontworkharder.Heshallbepunishedaccordingtotherule.HeshallhavethebookwhenIfinishit.,警告,威胁,允诺,.,25,此外，当宣布法律、规定时，也要用shall,Ithasbeenannouncedthatcandidatesshallremainintheirseatsuntilallthepapershavebeencollected.,在所有的试卷收上来之前，应试者不得离开座位。,.,26,4.Makingoffers(提供帮助):,Dontworry,dear,Iwillwashthemrightaway.,Mom,mydirtyclotheshavebeenpiledup!Idonthavetime,.,27,will/would:,1.表示请求、建议等，would比will委婉客气。,sentencepattern,Wouldyouplease,Wouldyoumind,Wouldrather,Wouldyoulike,.,28,will/would:,2.表示意志、愿望和决心。,Iwillneverdothatagain.,.,29,will/would:,3.可表示经常性、习惯性、倾向性。翻译为“经常、惯于、总是”。,1).Theoldman_haveasmokeunderabigtreeeveryafternoonafterhefinishedhisfarmwork.,would,.,30,2).门就是打不开!,Thedoorwontopen.,.,31,5.Givingadvice(提出意见):,Youshouldnot/oughtnottoeatsomuchbeforerunning.,Howdelicious!,.,32,should:,1.Should表示劝告、建议、命令，其同义词是oughtto；在疑问句中，通常用should代替oughtto。,ShouldIopenthewindow?,我们应当要相互学习。,Weshouldlearnfromeachother.,.,33,should:,2.情态动词should用于第一人称时可以表示说话人的一种谦逊、客气、委婉的语气。,RoseSure.Bytheway,whoisyouridol?JackLiuXiang,Ishouldsay.,Ishouldadviseyounottodothatagain.,.,34,3.should表示意外或惊讶常译为“居然，竟然”。Icantbelievesuchagentlemanshouldbesorudetotheold.我不敢相信这样一个绅士居然对老人如此无礼。,should:,.,35,4.should表示猜测时，一般指按经验或逻辑判断，翻译成“照说应该，估计，想必”,should:,-WhencanIcomeforthephotos?Ineedthemtomorrowafternoon.-They_bereadyby12:00.A.canB.shouldC.mightD.need,.,36,Howcanwedealwithexercisesconcerningmodalverbs?,Functions&usageofmodalverbs,Languagecontext(上下文、语境),Thinking,Functions&usageofmodalverbs,Languagecontext(上下文、语境),.,37,1.Ishouldhavebeenthere,butI_notfindthetime.A.wouldB.couldC.mightD.should2.Ifitwerenotforthefactthatshe_sing,Iwouldinvitehertotheparty.A.couldntB.shouldntC.cantD.mightnot,.,38,3.-IsJohncomingbytrain?-Heshould,buthe_not.Helikesdrivinghiscar.A.mustB.canC.needD.may4.DoyouthinkI_reportthestrangethingtothepolice?A.shouldB.mayC.willD.can,.,39,5.-IsntthatAnnshusbandoverthere?-No,it_behimImsurehedoesntwearglasses.A.cantB.mustnotC.wontD.maynot6.There_beanydifficultyaboutpassingthetestsinceyouvepracticedalot.A.mustntB.shantC.shouldntD.neednt,.,40,7.Isth