healthy-eating-GrammarPPT课件

.,1,Unit2Healthyeating,Discoveringusefulstructures,.,2,1.You_behungryalreadyyouhadlunchonlytwohoursago!A.wouldntB.cantC.mustntD.neednt2.Accordingtotheairtrafficrules,you_switchoffyourmobilephonebeforeboarding.A.mayB.canC.wouldD.should3.She_haveleftschool,forherbikeisstillhere.A.cantB.wouldntC.shouldntD.mustnt,B,D,A,.,3,4.ItisusuallywarminmyhometowninMarch,butit_berathercoldsometimes.A.mustB.canC.shouldD.would5.Youdonthavetoknowthenameoftheauthortofindabook.You_findthebookbythetitle.A.mustB.needC.canD.would6.CouldIhaveawordwithyou,Mum?Ohdear,ifyou_.A.canB.mustC.mayD.should,B,C,B,.,4,7.Ashehadheartattack,hewastoldthathe_continuethework.A.needntB.maynotC.mustntD.cant8.AnEnglishmanwho_notspeakItalianwasoncetravelinginItaly.A.mustB.couldC.mayD.might9.I_liketomakeasuggestion.A.couldB.wouldC.mustD.might10.Iknowthingsarehardwithyou,butyou_trytogetoverthedifficulties.A.canB.mayC.mustD.ought,C,C,B,B,.,5,oughtto“应该”，没有人称,数和时态的变化，后接动词原形可以表示现在、将来或过去将来，由时间状语或上下文决定。Theyoughttocometomorrow.Hethoughtthattheyoughttotakepartinthedesign.,oughtto,.,6,ought的否定形式oughtnotto疑问式将ought提到句首构成。Oughtwetodoitatonce?在反意疑问句里，下面两种形式都可以：Heoughttobehere,shouldnthe?Heoughttobehere,oughtnthe?,更常用,.,7,三者均表示建议，意为“应该”，“应当”或“最好做”，三者的语气程度为渐强。,Yououghttohelphimbecauseheisintroublenow.(语气强，有命令意味。)Youshouldhavearestafterfinishingyoursports.（一般性建议）,hadbetter,shouldyou_himseriously.A.mighthaveinjuredB.couldinjureC.shouldhaveinjuredD.mustinjure,D,D,A,.,15,4.Weoughttohelpeachotherinourwork,_?A.oughtntweB.shouldweC.shouldntweD.oughttowe5.WhenIgottothecinema,thefilmhadalreadystarted;I_thereearlier.A.oughttogetB.oughttohavegotC.musthavegotD.mustget,B,A,.,16,6.Mum,IclimbedtothetopoftheshelfandgottheTeddyBear.Mygoodness!Youmayhavehurtyourself.You_dothatagain.A.donthavetoB.maynotC.needntD.mustnt7.Everybodyisworkinghard.There_betroubleinfinishingtheworkontime.A.oughtnottoB.needntC.mustntD.oughttonot,D,A,.,17,8.She_gooutaloneatnight.A.darenotB.daresnotC.darenottoD.daresnotto9.Ididnthearthephone.I_asleepA.mustbeB.musthavebeenC.shouldbeD.shouldhavebeen,B,A,.,18,10.-Therewerealreadyfivepeopleinthecar,buttheymanagedtotakemeaswell.-It_acomfortablejourneyA.cantbeB.shouldntbeC.mustnthavebeenD.couldnthavebeen11.Itsnearlysevenoclock.Jack_behereatanymoment.A.mustB.needC.shouldD.could,D,C,.,19,12.You_takemetothestation,andmybrotheristakingme.A.donthavetoB.mustntC.cantD.shoul