高考英语一轮复习——情态动词与虚拟语气.ppt

情态动词与虚拟语气,虚拟语气（学校版）1-5BAADC6-10CBAAB11-15CCADC16-20DCBCD21-25ADDDA26-30DACBC完型BDDDACDCABBDBCADDACB阅读:DDACBDCBBD,虚拟语气,分类主句从句现在did/werewoulddo过去haddone(been)wouldhavedone将来did/weretodo/shoulddowoulddo错综虚拟语气：指条件（从句）和它造成的结果（主句）发生在不同时间的情况。这时主、从句谓语动词的虚拟语气形式因时间不同而不同，根据它的时间不同来确定动词选用的虚拟形式（形式从以上三种里面对应着选择）。ifyouhadstudiedhardbefore,youwouldbeacollegestudent.例题：41、84、64、87,if省略引起部分倒装,条件状语从句中谓语动词有were/had/should的可去掉if并把这些词提前引起部分倒装。Ifithadnotrainedsohardyesterdaywecouldhaveplayedtennis.Haditnotrainedsohardyesterday,wecouldhaveplayedtennis.例题：27、71,含蓄虚拟语气,介词短语表示(with,without,butfor)Butforyourhelp=Ifithadnotbeenforyourhelp=Haditnotbeenforyourhelp,wecouldnthaveaccomplishedsomuch.例题：44、76,并列句中（otherwise,or,but）Hetelephonedtoinformmeofyourbirthday,orIwouldhaveknownnothingaboutit.例题：14、39其他从句，需要自己根据虚拟语气的概念判断是否用虚拟Amanwhostoppeddrinkingwaterwouldbedeadinaboutsevendays.例题：11、12、89,情态动词用法回顾,【表能力】can,beableto：现在could,was/wereableto：过去willbeableto：将来couldhavedone：本能够，却没有Icouldhaveworkedouttheproblem,butIwastoonervous.,【表推测】理论上的可能性：can（否定cannot）Accidentscanhappenonsuchrainydays.例题：13、20、58,具体事情的可能性must一定（只用于肯定）cannot一定不will,would,may,might,could,should,oughtto注意：would,should,could,might并不一定必须是过去的时间，而是可能性弱于他们相应的现在时形式。Thismay/mightbedonebyhim.例题：70、90,1shallI/we.?spokenusedtomakeasuggestion,oraskaquestionthatyouwanttheotherpersontodecideabout.(一三人称提建议，第三人称必须用shall):ShallIopenthewindow?WhatshallIgetfordinner?2I/weshall.especiallyBritishEnglishformalusedtosaywhatyouwilldointhefuture(第一人称，表示意向):Weshallbeawaynextweek.IveneverlikedherandInevershall.,3formalorold-fashionedusedtoemphasizethatsomethingwilldefinitelyhappen,orthatyouaredeterminedthatsomethingshouldhappen(无疑会发生的事):Thetruthshallmakeyoufree.Isaidyoucouldgo,andsoyoushall.4formalusedinofficialdocumentstostateanorder,law,promiseetc:(规则、法令、命令等)Allpaymentsshallbemadeincash.,重难点：shall用法,表示请示、建议（对方是决策者，讲话者代表自己或第三人称）shall/may(might)/can(could)I/we.?Whenshallmyfatherbeabletoleavehospital?表示允诺、命令、警告、威胁（说话人的意志），或规定、法令、原则（客观规则）Youshallleavetheroomatonce,andhealsoshall.Itsbeenannouncedthatcandidates(BritishEnglish:someonewhoistakinganexamination)shallremainintheirseatsuntilallthepapershavebeencollected.Youshallgetanewcellphoneifyoudowellintheexam.例题：34、36、37、53、63、78,must：必须（现在式），一定会（进行式或完成式）例题：49donthaveto/dontneedto/needntdo：不必做某事neednthavedone：本不必做但做了didntneed(have)todo：不必做，不强调是否做了Youneednthaveworkedhardthatlatelastnight.Itwasharmfultoyourhealth.Didyouworkovertimelastnight?No,Ididntneedto.例题：29、38、72、83,shoulddo：应该shouldhavedone：应该已完成，本应做而未做shouldnthavedone：应该未完成，本不应做而已做,Whatsthemeaningoftheunderlinedwords?,Itmusthaverainedlastnightfortheroadisquitemuddy.Canhehavegonetohisaunts?Hecannothaveforgottenit.Hecouldhavesucceededhadheworkedharder.例题：31Hemaynothavefinishedthework.Ithinkhemighthavegonetobed.Yououghttohavedonethisexercisemorecarefully.,Youshouldnthavetoldherthetruth.Youneednthavetakenataxihere,foritwasquitenear.Youhadbetternothavescoldedher.Iraisedobjectionsatthemeeting,butnowIwouldrathernothavedonethat.Iwouldlovetohavegonetothepartylastnight,butIhadtoworkovertime.,宁愿做某事,wouldratherdowouldratherdo(thando)woulddoratherthandowouldrathersbdidsth.（多用于不同的主语）例题：61、79,prefertodosth.perfertodo(ratherthando)preferdoingtodoing（没有比较时用todo不用doing）preferthat(eg.Wepreferthatourteachershaveadegreeinearlychildhoodeducation.)Iwouldpreferitif(eg.Idpreferitifyoudidntsmokeinfrontofthechildren.),cannotbutdo,cannotbutdocanthelpbuttohavenochoicebuttodo,may/mightaswell,【固定搭配】最好，满可以，倒不如Youmayaswelldoitatonce.Wemayaswellstaywhereweare.例题：18、66,cannot(never).enough,cannot(never).enough再怎么样也不为过nomore=most最.Icanneverthankyouenough.Iveneverhadabettersleep.例题：47,should：竟然,W/H+should表示说话人对某事表示不能理解，感到意外，惊异。Whyshouldyoubesolatetoday?HowshouldIknow？特别地，用在下面这个句型里，should可省略Itsstrangethatsb(should)do/havedone.Itsstrangethathe(should)haveactedtowardshisparentslikethat.例题：15、80,must：偏要，非要,Mustyoumakesomuchnoise?Ifyoumustsmoke,pleasegoout.例题：4、17、22、51,may：可以否定：mustnt（不准）must：必须否定：neednt（不必）MayIuseyourcar?No,youmustnt.MustIworkouttheproblemtonight?No,youneednt.,need&dare,用如实义动词：Heneeds/neededtodoit.Hedoesnt/didntneedtodoit.H