B3unit2learningaboutlanguage

人教新课标高中模块三,Unit2,Period3Learningaboutlanguage,1_somethingthatyousayisnottrue2_nottobepunishedforsomething3_uncooked4_thestrongwishtoknowaboutsomething5_someonewhobuysthingsorservicesfromashop,company,etc6_aparticularqualitythatgivessomeoneorsomethinganadvantage,CheckinganswerI(2ms)AnswerkeyforEx.1,lie,getawaywith,raw,curiosity,customer,benefit,oughtto,diet,raw,balanced,energetic,slim,CheckinganswerI(2ms)AnswerkeysforEx.2,becomethinnerloseweight,beinglaughedatbyherfriendslosingface,feltsosadandhopelessaboutherselfloseheart,wasunwillingtovisitanymorelostinterestinvisiting,情态动词（二）,modalverb,Grammar(33ms),oughtto,oughtto用于表示想必会(语气较must弱)：他们想必已到那儿了。Theyoughttobetherebynow.2.他最好不要抽烟了。Heoughttostopsmoking.多数情况下，oughtto可与should互换使用。Oughtto的反意疑问句用shouldnt替代。,比较hadbetter,should&oughtto,三者均表示建议，意为“应该”，“应当”或“最好做”.三者的语气程度为渐强。Hadbetter指一般性的建议，最弱。Should&oughtto含义相近，常可互换。区别在于，oughtto常指特殊情况下的“应当”。Should则指一般情况。见下页例句。,Yououghttohelphimbecauseheisintroublenow.(语气强，有命令意味。)Youshouldhavearestafterfinishingyoursports.（一般性建议）Yououghttocallthepolicewhenyoufindsomethingwronginyourhouse.Heshouldtakecareofthebabiestonight.,（一）否定句hadbetter,should,oughtto用于否定句时，否定词均位于其后，具体形式为：hadbetternotdo,shouldnt/shouldnotdo,oughtnttodo。例1:此时你最好别出发。Youhadbetternotstartatthistime.例2：她不应该浪费时间。Sheoughtnttowastetime.,（二）一般疑问句hadbetter,should,oughtto用于一般疑问句时，分别将had,should,ought提至句首。例1：他最好立即出发吗？Hadhebetterstartearlyatonce?例2：你应该这么做吗？Shouldyoudolikethis?例3：他应该去那里吗？Oughthetogothere?,（三）反意疑问句陈述句谓语动词含hadbetter,should,oughtto时，反意疑问句为：had,should与ought+主格人称代词或hadnt,shouldnt,oughtnt+主格人称代词。例1：你最好别回家，是吗？Youhadbetternotgohome,hadyou?例2：你应该认真学习，是吗？Youshouldstudyhard,shouldntyou?例3：你上课不应该讲话，是吗？Heoughtnttospeakinclass,oughthe?,NeedIdo?Yes,youmust.No,youneednt.,dare&need,Musttheydo?Yes,theymust.No,theyneednt/donthaveto.,must&haveto,must表主观意志，而haveto表由于客观因素不得不做完成的事情。Must没有过去式，除在间接引语中可表示过去的时间。在直接引语中表示过去的时间用hadto代替。Itoldherthatshemustgiveupsmoking.Shesaid,“Wehadtogeteverythingreadythatnight.”,比较must&haveto,注意对need问句的回答:-NeedIfinishtheworktoday?-Yes,_.No,_.No,_.,youmust,youneednt,youdonthaveto,neednt对其它情态动词的回答:-ShallItellJohnaboutit?-No,you_.-Mustwedoitnow?-No,you_.,neednt(donthaveto),neednt(donthaveto),CouldIborrowyourdictionary?(委婉)-Yes，youcan/may.Sure.Goahead.Pleaseyourself.MayItakethisseat?(第一人称疑问句)Yes,youmay.No,youmustnt.,Must+havedone表示对过去已经发生的行为进行推测，意为“想必/准是/一定作了某事”。,1.Wemusthavelearned2,000wordsbytheendoflastterm.到上学期为止我们一定学了有两千个单词。2.HemusthavegonetoBeijing.他一定已经去北京了。,can/could+havedone表示对过去的行为的怀疑和不肯定，通常用在否定句和疑问句中。,1.Cantheyhavewonthebasketballmatch?他们可能赢了篮球赛吗？2.ItcouldnthavebeenMr.Green.HehasgonetoNewYork.那不可能是格林先生的，他已经去北京了。,could(不用can)+havedone,在肯定句中表示“本来能够而没能”，具有婉转的批评和责备之意。,Youcouldhavetoldmeearlier.你本该早点告诉我的。,should/oughtto+havedone用于肯定句时，表示“本该做某事而实际上没做”，用于否定句时，则表示“不该做的事反而做了”。,1.Youshouldhavetoldhimaweekago.你本来应该在一周前告诉他的。,might（不用may）+havedone表示“本来可能”，但实际上没有发生的事。另外，还可表示“本来应该或可以做某事”之意，含有轻微的责备语气。,1.Youmightnothavetoldher.你本可以不告诉他的。（事实上你告诉他了）2.Youmighthavecomeearlier.你本可以早点来的。（但没有这样）,neednt+havedone表示做了本来不必去做的事。,1.Sheneednthavegonetothestationyesterday.昨天她本不必到火车站去的.（昨天她去了）2.Youneednthaveboughtit.你本可不必买它的。（你买了）,高考链接1.-IsJohncomingbytrain?-Heshould,buthe_not.Helikesdrivinghiscar.(2002高考题）A.mustB.canC.needD.may2.Ithasbeenannouncedthatcandidates(候选人)_remainintheirseatsuntilallthepapershavebeencollected.(2002上海高考题）A.canB.willC.mayD.shall3.-Iheardtheywentskiinginthemountainslastwinter.(2002北京高考题）-It_truebecausetherewaslittlesnowthere.A.maynotbeB.wontbeC.couldntbeD.mustntbe,Practice1:高考考题专练1.Ithoughtyou_likesomethingtoread,soIhavebroughtyousomebooks.A.mayB.mightC.wouldD.must2.Whereismypen?I_it.A.mightloseB.wouldhavelostC.shouldhavelostD.musthavelost3.Ididnthearthephone.I_asleepA.mustbeB.musthavebeenC.shouldbeD.shouldhavebeen,B,D,B,4.-Therewerealreadyfivepeopleinthecar,buttheymanagedtotakemeaswell.-It_acomfortablejourneyA.cantbeB.shouldntbeC.mustnthavebeenD.couldnthavebeen5.Itsnearlysevenoclock.Jack_behereatanymoment.A.mustB.needC.shouldD.could,D,C,情态动词考题:,1.-Didthetrainarriveintime?-No.It_twohoursago.A.musthavearrivedB.oughttohavearrivedC.mustarriveD.oughttoarrive2.MustIdrivetohishouseandpickupthechildren?No,.A.youshouldntB.youmightnotC.youneedntD.youmustnt,B,C,3.WedidntseeTomatthemeetingyesterday.Heit.A.mustnthaveattendedB.cannothaveattendedC.neednthaveattendedD.wouldhavenotattended,B,4.You_suchalongcomposition.Theteacheronlyaskedfor300words.Youhavewritten600.A.mustnthavewrittenB.couldnthavewrittenC.neednthavewrittenD.donothavetowrite,C,5.Thereissomeoneknockingatthedoor.itbeTom?A.canB.mustC.shouldD.oughtto6.Twoyearsago,myhusbandbough