人教课标版英语必修三-unit2-healthy-eating-Grammar

DiscoveringusefulstructuresUnit2HealthyeatingDiscoveringusefulstructures---ModalVerbs(II)Readthetextagainandpayattentiontothesentencescontainingmodalverbsandexplainthemeaningofeachmodalverb.1.Thenusuallybylunchtimetheywouldallbesold.2.Whatcouldhavehappened?3.Nothingcouldbebetter…4.Somethingterriblemusthavehappenedif…5.Hecouldnotbelievehiseyes.6.Perhapsheshouldgotothelibraryandfindout.PossibilityPossibilityPossibilityGuessingAbilityDuty7.HecouldnothaveYongHuigettingawaywithtellingpeoplelies!7.Hehadbetterdosomeresearch!8.EventhoughhercustomersmightgetthinaftereatingYongHui’sfood…9.Theywouldbecometiredveryquickly.10.…hecouldwinhiscustomersback.IntentionDutyPossibilityIntentionAbilityoughtto意思是“应该”，是情态动词，只有一种形式，后边接动词不定式，to不能省略。oughtto没有人称和数的变化，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.oughttoought的否定形式由直接加not构成，疑问式将ought提到句首构成。Heoughtnottodoit.=Heoughtn’ttodoit.Oughtwetodoitatonce?在反意疑问句里，下面两种形式都可以：Heoughttobehere,shouldn’the?Heoughttobehere,oughtn’the?Tomoughtnotto_____meyoursecret,buthemeantnoharm.(1993全国卷)A.havetoldB.tellC.betellingD.havingtold高考真题A•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，区别在于oughtto语气重，偏重责任、义务、道德、法律等方面。Yououghttohelphimbecauseheisintroublenow.(语气强，有命令意味)Youshouldhavearestafterfinishingyoursports.（一般性建议）hadbetter,should&oughttooughtto/shouldhavedone表本应该做而实际未做Yououghttohavetoldhimaboutthenews.Heshouldn’thavebeentoldaboutthenews.Youshouldhavegotupearly.haveto强调客观需要，有人称、时态的变化而must则表示主观愿望、主观看法，只能用于一般现在时和一般将来时。---WouldyouliketocometomyhouseonNationalDay?---Thankyou,I’dloveto.ButIhavetoseemyuncleonthatday.Wemustfinishtheworkbeforelunch.haveto&mustMusttheydo…?Yes,theymust.No,theyneedn’t/don’thaveto.musthaveto主观／客观主观客观时态现在，将来多种表推测√×询问意愿√×否定意义禁止，不允许不必need和dare既可用作情态动词，也可用作实义动词。用作情态动词时，主要用于否定句和疑问句。用作实义动词时，可用于各种句式。1.用作情态动词Youneedn’ttelephonehimnow.Idon’tthinkyouneedworry.Shedarenotgooutaloneatnight.HowdareyousayI’munfair?dare&need2.用作实义动词Youdon’tneedtodoityourself.Weneedtotellthemthenews.Weshoulddaretogiveourownopinion.Hedidnotdare(to)lookup.Idaresayhe’llcomeagain.（Idaresay…为固定习语）OurcolorTVsetisstillgoodenough.Youneedn’thaveboughtanewone.4.needn’thavedone表示原本不必要做的事情却已经做了的情况,意为“本不必做某事…”Yourhomeisnotfarfromyourschool,soyouneedn’thaveleftinsuchahurrythen.注意对need问句的回答:--NeedIfinishtheworktoday?--Yes,________________.No,________________.No,________________.youmustyouneedn’tyoudon’thavetoneedn’t对其它情态动词的回答:--ShallItellJohnaboutit?--No,you__________.--No,you__________.--Mustwedoitnow?--No,you__________.--No,you__________.needn’tdon’thavetoneedn’tdon’thaveto1.I_____useaclocktowakemeupbecauseatsixo’clockeachmorningthetraincomesbymyhouse.（2012全国高考I）A.couldn’tB.mustn’tC.shouldn’tD.needn’t2.Thenewlawstatesthatpeople_____driveafterdrinkingalcohol.（2012上海高考）A.wouldn'tB.needn'tC.won'tD.mustn'tDD高考真题3.It’squitewarmhere;we_____turntheheatingonyet.（2012天津高考）A.couldn’tB.mustn’tC.needn’tD.wouldn’t4.We_____haveboughtsomuchfoodnowthatSuziewon’tbewithusfordinner.（2012江西高考）A.maynotB.needn’tC.can’tD.mustn’tCB1.You____yourtoothpulledoutbeforeitrotcompletely.A.hadbettergotB.hadtogetbetterC.hadbettertogetD.hadbetterget2.Whenwegottothecinema,thefilmhasn’tstartedyet,sowe____.A.needn’thurryB.didn’tneedhurryC.needn’ttohurryD.needn’thavehurried3.Itwasreallyverydangerous;you____himseriously.A.mighthaveinjuredB.couldinjureC.shouldhaveinjuredD.mustinjureDDAPractice4.Ashehadheartattack,hewastoldthathe____continuethework.A.needn’tB.maynotC.mustn’tD.can5.Weoughttohelpeachotherinourwork,____?A.oughtn’tweB.shouldweC.shouldweD.oughttowe6.Twoeyes____seemorethanone.A.canB.mayC.won’tD.should7.WhenIgottothecinema,thefilmhadalreadystarted;I____thereearlier.A.oughttogetB.oughttohavegotC.musthavegotD.mustgetBAA/shouldn’tweC8.Ithoughtyou____likesomethingtoread,soIhavebroughtyousomebooks.A.maynotB.mightC.wouldD.must9.Whereismypen?I____it.A.mightloseB.wouldhavelostC.shouldhavelostD.musthavelost10.Ididn’thearthephone.I___asleepA.mustbeB.musthavebeenC.shouldbeD.shouldhavebeenBDB11.---Therewerealreadyfivepeopleinthecar,buttheymanagedtotakemeaswell.---It____acomfortablejourney.A.can’tbeB.shouldn’tbeC.mustn’thavebeenD.couldn’thavebeen12.It’snearlyseveno’clock.Jack___behereatanymoment.A.mustB.needC.shouldD.couldn’tDC13.---Didthetrainarriveintime?---No.It____twohoursago.A.musthavearrivedB.oughttohavearrivedC.mustarriveD.oughttoarrive14.---MustIdrivetohishouseandpickupthechildren?---No,.A.youshouldn’tB.youmightnotC.youneedn’tD.youmustn’tBC15.Wedidn’tseeTomatthemeetingyesterday.Heit.A.mustn’thaveattendedB.cannothaveattendedC.needn’thaveattendedD.wouldhavenotattendedB16.Thereissomeoneknockingatthedoor.itbeTom?A.CanB.MustC.ShouldD.OughttoA17.You______takemetothestation,andmybrotheristakingme.A.don’thavetoB.mustn’tC.can’tD.shouldn’t18.—MustIhandinthehomeworknow?—______.Youcanhanditintomorrowmorning.A.Yes,youmustB.No,youneedn’tC.Yes,youneedD.No,youmustn’tAB19.—Mum,IclimbedtothetopoftheshelfandgottheTeddyBear.—Mygoodness!Youmayhavehurtyourself.You_____dothatagain.A.don’th