2014高考复习情态动词课件

高考英语语法复习2014.4情态动词语法目录情态动词是高中语法学习的难点和重点。高考英语完成句子对情态动词的考查主要涉及常见情态动词的基本用法，特别侧重于情态动词表推测的用法和特殊结构中情态动词的应用。一、情态动词表能力二、情态动词表请求、允许三、情态动词表必要性四、情态动词表推测五、情态动词+havedone（能够）（能不能）（必须）（可能）情态动词有一定的意义，但没有人称和数的变化，不能独立使用，它和后面的动词构成谓语．只作情态动词的can/could,may/might,oughtto，must可情态可实义的need,dare/dared可情态可助动词的shall/should,will/would相当于情态动词的haveto,usedto可兼做行为动词的情态动词：need、dare情态动词(+动词原形)行为动词.needdare1.无人称和数的变化;2.尤其用于：*否定句及疑问句中;*在if/whether之后;*或与hardly,never,noone,nobody连用;3.常以needn’t和daren’t的形式出现;4.dare有其过去时dared.多用于肯定句;(sb.)needtododaretodo(sth.)needtobedone(sth.)needdoing1.Ican/amabletoswim.2.Icould/wasabletoclimbatreewhenIwasachild.3.Iwillbeabletoswimnextweek.4.Thefirespreadthroughthehotelveryquicklybuteveryonewasabletogetout.1.can表示现在的能力2.could表示过去的能力3.beableto表能力，可用于多种时态4.beableto强调成功地做了某事情态动词表能力•shall•will、would情态动词表请求、允许shall1.，征求对方意见。e.g.Shallwebeginourclass?Shallhegonow?2.用于提出命令、允诺，或用于法律、规定（用于二，三人称）e.g.YoushallgetmybookonSunday.Heshallleavethehouseatonce.Thesignreads:Nopersonshallsmokehere!用于第一、三人称willwould1.用于向第二人称，征求对方意见。e.g.Wouldyoupleaseopenthedoor?2.表示个人主观意愿。e.g.Iwillhelpyouanytime.3.usedtodowould表示“过去常常”；“过去常常，强调现在不了”1.Whenhewasthere,he___gotothatcoffeeshopatthecornereveryday.A.wouldB.shouldC.hadbetterD.might2.—What’sthenameofthebook?—Khulaifi._________Ispellitforyou?A.ShallB.WouldC.CanD.Might•must•need高考真题演练情态动词表必要性must表“必须”don’thavetoneedn’tdodon’tneedto2.must还可表示“偏偏、偏要”e.g.Mustyoumakesomuchnoise?1.不必须mustn’t禁止1.You___buyagift,butyoucanifyouwantto.A.mustB.mustn’tC.havetoD.don’thaveto2.WhenIwasyoung,IwastoldthatI______playwithfire.A.wouldn'tB.needn'tC.mustn'tD.daren't3.-MayIsmokehere?-Ifyou__,chooseaseatinthesmokingarea.A.shouldB.couldC.mayD.must情态动词表推测可能性的强弱层次mustshould/oughttocan/couldmay/might＞＞＞高考真题演练must表示推测1.可能性最强，只能用于肯定句e.g.Thatmustbemypen.2.must----一定，必定can’t----不可能e.g.Thatcan’tbemypen.should/oughtto表示推测1.根据经验的推测，“应当、应该”e.g.Youphotosshouldbereadyby12:00.2.表示“竟然”，带有感情色彩。e.g.Itisstrangethatyoushouldlikehim.can/could表示推测1.常用于否定句或疑问句。e.g.Youcan’tbehungryalready—youhadlunchonlytwohoursago!2.can用于肯定句中表示理论上的可能性，并不牵涉是否真的会发生e.g.Youcanhurtyourselfifyouplayinthestreet.may/might表示推测1.cannot不可能maynot可能不2.maywell“极有可能”e.g.Lizamaywellnotwanttogoonthetrip---shehatestraveling.3.may/mightaswell“不妨”e.g.Youmayaswellstayfordinner.1.ThatbeAnn’shusband,forIamsurethathedoesn’twearglasses.A.can’tB.maynotC.mustn’tD.needn’t2.-Goodmorning.IgotanappointmentwithMissSmithyesterday.-Ah,you______beMr.Peter.A.mightB.mustC.wouldD.can3.Whatdoyoumean,thereareonlytentickets?There______betwelve.A.shouldB.wouldC.willD.shall4.ItisusuallywarminmyhometowninMarch,butit_____berathercoldsometimes.A.mustB.canC.shouldD.would5.Althoughthis____soundlikeasimpletask,greatcareisneeded.A.mustB.mayC.shallD.should表示推测——情态动词的重要用法.肯定的推测可能的推测否定的推测疑问的推测must/should对将来对现在对过去情态动词may,mightcan’t,couldn’tcan,could+V.+V.+havedone常见mustbe+bedoing+V.+V.+havedone+bedoing可以用not表示“可能不”+V.+V.+havedone+bedoing+V.+V.+havedone+bedoing1.musthavedone2.can/can’thavedone3.couldhavedone4.shouldhavedone5.needn’thavedone6.might/mayhavedone情态动词+havedone：表示对过去发生的事进行推测一定做了…可能/不可能做了…本可以做…本该做，而没做…本不必做，而做了…可能做了…1.Lindatoldmethatshecriedalotwhileshewaslivinginthevillagealone.She_____________（一定经受了）alotofhardships.(go)2.Haditnotbeenfortheheavyrain,you_________________________(come)（就按时来了）3.Itisdemandedthatthebooks______________（须归还）theschoollibrarywithintwoweeks.(return)4.Itissuggestedthat______________________（运动会推迟）tillnextFriday.(putoff)5.Were______________(不下雨）tomorrow,wewouldgoonapicnic.(rain)musthavegonethroughwouldhavecomeontimeshouldbereturnedtosportsmeeting(should)beputoffitnottorain6.Isupportedhimintime,otherwisehe_______________bike（从自行车上摔下来）.(fall)7.Whichdoctor______________（你建议派来）immediately?(suggest)8.It______________(一定下着大雨)whenhegotbackhome,forhewaswetallover.(rain)9.______________（如果他不努力）sohard,hewouldn’thavepassedtheexam.(work)10.You______________（本不需要）ataxihere,foritwasveryneartomyhouse.(take)wouldhavefallenoffdoyousuggestbesentformusthavebeenrainingHadhenotworkedneedn’thavetaken11.You_________________(最好没责备)her.Afterall,shedidherbest.(better).12.Whatapity!We______________(宁愿来看了电影)yesterday.(wouldrather)13.IsawMr.Wangjustnow.He____________(不可能)Beijing.(go)14.We________________(还是…好)staywhereweare.(may)15.I__________________(本想参加)yourparty,butIhadtoworkextrahourstoprepareaspeech.(wouldlike)hadbetternothavescoldedwouldratherhaveseenafilmcouldn’thavegonetomayaswellwouldliketohaveattended16.Mr.Bushisalwaysontimeforeverything,_____________________(怎么可能)thathewaslatefortheopeningceremony?(can)17.You_________________(本该来)totheconferenceyesterday,whatwasthereasonforyourabsence?(come)18.Itishightimethatwe________________(采取措施)protecttheenvironment.(measure)19.Withalittlemorecaryou______________(能避免)thistrafficaccident.(avoid)20.Whenthepolicetookthesuspecttothepolicestation,heinsistedthathe——————(没偷)thelady’spurseandthathe————————(释放).(steal,set)howcanitbeshouldhavecomeshouldtake/tookmeasurestocouldhaveavoidedhadn’tstolenbesetfree21.HowIwishI________________(被录取了)thekeyuniversity.(admit).22.Bu