高中英语语法第一讲：情态动词课件

高中英语语法第一讲情态动词正确使用英语的两种思维1.1表示对现在的推测MightbeMaybeCouldbeMustbe（hastobe)注意：Must不能用在否定推测中，而can不能用在肯定推测中强化练习：There’snolighton–

they_____beathome.(2008全国高考题）can’tB.mustn’tC.needn’tD.shouldn’t2.Isjackondutytoday?--it____behim.it’shisturntomorrow.mustn’tB.won’tC.can’tD.neend’t3.–it’stheoffice!Soyou____knoweatingisnotallowedhere.--oh,sorry.(2009湖南）A.mustB.willC.mayD.need这里是教室，所以你肯定知道睡觉是不允许的！其他可以表示对现在的推测的词Ringhishomenumber.Hewillbeathomenow.Don’taskTom;hewon’tknow.Someoneisknockingatthedoor.It’llbethepostmen.Thisshouldbeyourmotherthen.Shouldhave的用法当时真应该把你给扔了，淘气鬼I

shouldhavethrownyouout!Youlittleelf!饿错咧，饿真的错咧，饿从一开始就不应该嫁过来，如果饿不嫁过来饿的夫君就不会死，如果饿的夫君不死，饿就不会沦落到这么一个伤心的地方，如果饿不沦落到这么一个伤心的地方……3.it_____havebeenTomthatparkedthecarhere,asheistheonlyonewithacar.(2009上海）A.mayB.canC.mustD.shouldShould的特殊意义Should表示说话人的一种合理假设，因此他是用来对说话人所希望的事进行推断的；could则是表示说话人不太希望看到的一种结果Bush:ThewarinIraq______belongerandmoredifficultthanwepredict.couldlet’sgowatchTransformerTwo.it____bereallygood.should1.4对现在进行的推测mightbemaybecouldbeshouldbemustbehemightbegivingbirthtoababyhemaybemakingwaterjustnowhecouldbedatinghisboyfriendheshouldbepreparingforhisclasshemustbewatchingTVhecan’tbeinAmericacan的问题表推测只能用在否定当中吗？你看上去命犯桃花，可能会有很有女人缘人到中年有时可能会发胖Peoplecanbecomefatintheirmiddleages.Youlooklikealadiesman.youcouldbesurroundedby

hundredsofladies.can表肯定推测时是一种理论上潜在的可能性，因此常常翻译为“有时”、“常常”can’t表否定推测，是一种实际、现实的可能性。hecanhardlyberight.hecan’tberight.强化练习Someaspectsofapilot’sjob_____beboring,andpilotsoften____workatinconvenienthours.can;havetoB.may;canC.haveto;mayD.oughtto;must2.ItisusuallywarminmyhometowninMarch,butit____berathercoldsometimes.(2008福建）A.mustB.canC.shouldD.would2.1现在的能力IbelieveIcanfly!心有多大，舞台就有多大！强化练习ifitwerenotforthefactthatshe____sing,I

wouldinvitehertotheparty.(2006福建）couldn’tB.sholdn’tC.can’tD.mightnotwillbeableto2.3表示将来的能力IampracticingJudonow,inamonth,nobodywillbeabletotakeadvantageofme.

强化练习wehopethatasmanypeopleaspossible___joinusforthepicnictomorrow.(2006全国）A.needB.mustC.shouldD.can3.1表示建议许可3.1.1给与许可canI;mayI;couldI;Child:CanIleavethetablenow?Parent:I’msureyoucan,butyoumaynot.3.1.2拒绝许可maynot,cannot,benotallowedtodo,mustnot3.1.3表示建议couldshallI;wemay(just)aswell,might(just)aswellwemightaswellbefriendsYoumightaswelltellthetruth3.3表示忠告should;oughtto;could;hadbetterIfeelthatIneedmoreeducationA:youshouldtakethepostgraduateexamination,andyou’dbetterstudyharder.B:youcouldtakethepostgraduateexamination,oryoucouldtakeTOEFLandgoabroad.4.特殊情况4.1should的特殊用法4.1.1should表示竟然It’soddthatyoushouldhaveclassduringNationalHolidays!It’soddthatsheshouldhavesothinwaist!4.1.2should表示万一Itiemyselftothebusseatincaseitshouldhaveanaccident4.2shall的用法：常用于二三人称中表示“命令”/说话人的许诺/说话人的强烈愿望。Youshallbehereby10o’clock.Heshallbemine.Iswearbygodthissacredoath:ThatIshallrenderunconditionalobediencetoAdolfHitler.FuhreroftheGermanReichandpeopleSupremecommanderoftheArmedforces.AndthatIshallatalltimesbeready,asabravesoldiertogivemylifeforthisoath.世界上最**的口诀麦美苦看马尾小梳can表肯定很特殊can表否定must退出shouldhave有责备“小叔妹”特殊意义要记住oryoumayaswell…4.3may的特殊用法:用法一：退一步，再说理Youmaybeolderthanme,butthatdoesn’tmeanyouaresmarter.我可能错了，但是你也用不着大喊大叫啊。Imaybewrong,butthereisnoneedforyoutoshoutatme..游戏：句子接龙你也许比我聪明，但并不意味着你比我有钱你也许比我有钱，但并不意味这你比我幸福你也许比我幸福，但这并不意味着你的女朋友比我的漂亮你的女朋友也许比我的漂亮，但这并不意味着你比我漂亮你也许比我漂亮，但这并不意味着你比我受欢迎。may的特殊用法二：maywellShemaywellbeproudofherself.Youmaywellrefusetoanswerthat>强化练习Liza_____wellnotwanttogoonthetrip