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Unit2HealthyeatingLearningaboutLanguage1liegetawaywith raw curiositycustomerbenefit LearningaboutLanguage(P.12)1.Writedownthewordsaccordingtothemeaningsbebind.1_somethingthatyousayisnottrue2_nottobepunishedforsomething3_uncooked4_thestrongwishtoknowaboutsomething.5_someonewhobuysthingsorservicesfromashop,company,etc.6_a particular quality that gives someone orsomethinganadvantage2balanceddietrawslimoughttoenergeticloseweightloseheartloseinterestloseface 2.Fill in the blanks with words from the left box andparaphrasetheitalicizedpartsusingthephrasesfromtherightbox.3Juliewantedtobecomethinner.Sheknewshe_eatmorevegetablesandfruitbutlittlemeat.However,asshewassoafraidofbeinglaughedatbyherfriends,shedid not consult a doctor but lived on a_ of rice,_ vegetables,bananas and lemons.Three weekslater,shefoundsheweighedasmuchasever.Shefeltsosad and hopeless about herself and her behaviourchanged.oughtto dietraw 4Shedidntdaretofaceherboyfriendandshewasunwillingtovisitherfriendsanymore.Luckily,herbestfriendFredcame to see her and encouraged her to exercise,eat a_dietandenjoylifeagain.SoonJuliebecameamazingly_and_!Shefeltveryhappy.balanced energetic slim5becomethinnerloseweightbeinglaughedatbyherfriendslosingfacefeltsosadandhopelessaboutherselflostheartwasunwillingtovisitherfriendsanymorelostinterestinvisiting6AnswerkeytoExercise3:1pear;cream(fatandalltheothersarefruit)2 sugar;mutton(meat and all the others are energy-givingfood)3bacon;cabbage(vegetableandalltheothersaremeat)4strawberry;eggplant(vegetableandalltheothersarefruit)7modalverb(2)8 oughtto oughtto用于表示用于表示想必会想必会(语气较语气较must弱弱)：1.他们想必已到那儿了。他们想必已到那儿了。Theyoughttobetherebynow.2.他最好不要抽烟了。他最好不要抽烟了。Heoughttostopsmoking.多数情况下，多数情况下，oughtto可与可与should互换使用。互换使用。oughtto的反意疑问句用的反意疑问句用shouldnt替代。替代。9You ought to have helped him with his English,_?A.wontyouB.cannotyouC.shouldntyouD.wouldntyou【即学即练】【即学即练】10比比较较hadbetter,should&oughtto三者均表示建三者均表示建议议，意，意为为“应该应该”，“应应当当”或或“最好做最好做”。三者的三者的语语气程度气程度为渐为渐强强。hadbetter指一般性的建指一般性的建议议，最弱。，最弱。should&oughtto含含义义相近，常可互相近，常可互换换。区。区别别在于在于:oughtto常指特殊情况下的常指特殊情况下的“应应当当”；should则则指一般情况。例句指一般情况。例句见见下下页页。11Yououghttohelphimbecauseheisintroublenow.(语语气气强，有命令意味强，有命令意味)Youshouldhavearestafterfinishingyoursports.（一一般般性建议）性建议）You ought to call the police when you find somethingwronginyourhouse.(语气较强语气较强)Heshouldtakecareofthebabiestonight.（一般情况）（一般情况）12havetohaveto表示客表示客观观需要去做的事情，意需要去做的事情，意为为“必必须须，不得不，不得不”。Ihavetogettothestationearlytocatchthefirsttrain.Wemissedthebussowehadtowalkhome.Wehavetoovercomeallkindsofdifficulties.13haveto有多种时态。常见的有：有多种时态。常见的有：Wewillhavetogatherattheschoolgateat7tomorrow.一般将来时一般将来时Ihavetotakemoremoneywithmebecausemygirlfriendhassomuchtobuy.一般现在时一般现在时Finally,wehadtogiveupourideatoholdapicnicoutsideasitrainedforawholeafternoon.一般过去时一般过去时14shall,should&oughttoshall用于第一、三人称疑问句，征求意见或请求。用于第一、三人称疑问句，征求意见或请求。shall用于第二，三人称陈述句，表示命令、警告、允诺、用于第二，三人称陈述句，表示命令、警告、允诺、威胁。威胁。should表示劝告，建议，命令，顺理成章表示劝告，建议，命令，顺理成章oughtto疑问句中常用疑问句中常用should代替代替oughttooughtto表示应该，语气表示应该，语气should美语中，美语中，oughtto用于否定句、疑问句时用于否定句、疑问句时to可省略。可省略。15NeedIdo?Yes,youmust.No,youneednt.情态动词情态动词实义动词实义动词dare否，疑，条否，疑，条darenotdo否否,疑疑dontdaretododontdaredo不用于肯定句不用于肯定句肯：肯：daretodoneed否，疑否，疑needntdo(dont)needsth.(dont)needtodo肯：肯：must,haveto,oughtto,shoulddare&need16Musttheydo?Yes,theymust.No,theyneednt/donthaveto.musthaveto主观客观主观客观主观主观客观客观时态时态现在，将来现在，将来多种多种表推测表推测询问意愿询问意愿否定意思否定意思禁止，不允许禁止，不允许不必不必must&haveto17比较比较must&havetomust表表示示主主观观意意志志，而而haveto表表示示由由于于客客观观因因素素不不得得不不做做的事情。的事情。must没没有有过过去去式式，但但是是在在间间接接引引语语中中可可表表示示过过去去的的时时间间。在直接引语中表示过去的时间用在直接引语中表示过去的时间用hadto代替。代替。Itoldherthatshemustgiveupsmoking.Shesaid,“Wehadtogeteverythingreadythatnight.”18注意对注意对need问句的回答问句的回答:NeedIfinishtheworktoday?Yes,_.No,_.No,_.youmustyouneedntyoudonthaveto19neednt对其他情态动词的回答对其他情态动词的回答:ShallItellJohnaboutit?No,you_.Mustwedoitnow?No,you_.neednt(donthaveto)neednt(donthaveto)20CouldIborrowyourdictionary?(委婉委婉)Yes，youcan/may.Sure.Goahead.Pleaseyourself.MayItakethisseat?(第一人称疑问句第一人称疑问句)Yes,youmay.No,youmustnt.211.Ithoughtyou_likesomethingtoread,soIhavebroughtyousomebooks.A.mayB.mightC.wouldD.must2.Whereismypen?I_it.A.mightloseB.wouldhavelostC.shouldhavelostD.musthavelostBD【达标训练】【达标训练】223.Ididnthearthephone.I_asleep.A.mustbeB.musthavebeenC.shouldbeD.shouldhavebeen4.There were already five people in the car,but theymanagedtotakemeaswell.It_acomfortablejourney.A.cantbeB.shouldntbeC.mustnthavebeenD.couldnthavebeenBD235.Itsseven.Jack_behereatanymoment.A.mustB.needC.shouldD.could6.IsJohncomingbytrain?Heshould,buthe_not.Helikesdriving.A.mustB.canC.needD.mayCD247.Ithasbeenannouncedthatcandidates(候候选选人人)_remain in their seats until all the papers have beencollected.A.canB.willC.mayD.shall8.Iheardhewentskiinglastyear.It_truebecausetherewaslittlesnowthere.A.maynotbeB.wontbeC.couldntbeD.mustntbeDC259.Didthetrainarriveintime?No.It_twohoursago.A.musthavearrivedB.oughttohavearrivedC.mustarriveD.oughttoarrive10.MustIdrivetohishouseandpickupthechildren?No,_.A.youshouldntB.youmightnotC.youneedntD.youmustntBC2611.WedidntseeTomatthemeetingyesterday.He_it.A.mustnthaveattendedB.cannothaveattendedC.neednthaveattendedD.wouldhavenotattendedB27C12.You _ such a long composition.The teacheronlyaskedfor300words.Youhavewritten600words.A.mustnthavewrittenB.couldnthavewrittenC.neednthavewrittenD.donothavetowrite2813.Thereissomeoneknockingatthedoor.itbeTom?A.CanB.MustC.ShouldD.Oughtto14.Twoyearsago,myhusbandboughtmeabicycle.Ifyouliveinthetown,itisoftenfasterthanacarandyouworryaboutparking.A.mustnot B.maynotC.shouldnotD.donthavetoAD29AnswerkeyforEx.1:1.Thenusuallybylunchtimetheywouldallbesold.(Possibility)2.Whatcouldhavehappened?(Possibility)3.Nothingcouldbebetter(Possibility)4.Somethingterriblemusthavehappenedif(Guessing)Discoveringusefulstructures305.Hecouldnotbelievehiseyes.(Ability)6.Perhapsheshouldgotothelibraryandfindout.(Duty)7.HecouldnothaveYongHuigetawaywithtellingpeoplelies!(Intention)8.Hehadbetterdosomeresearch!(Duty)9.EventhoughhercustomersmightgetthinaftereatingYongHuisfood(Possibility)10.Theywouldbecometiredveryquickly.(Ability)31 2.Choosesuitablemodalverbsfrombelowtocompletethe following dialogues.There may be more than onepossibility.ought/oughtnttoshould/shouldntmustnt/neednt/(dont)havetowill/can/cant321SAM:HowcanIgrowthinner,Mum?MUM:Well,you_eatfoodwithplentyoffibrethat helps you digest better.And you _ stopdrinkingcolaoreatingsweetfood.SAM:DoesitmeanI_eatmyfavouritefriedchickenanymore?MUM:Notexactly,ifyoulovefriedchicken,you_give it up.Just eat it less often.You _worrytoomuch:alittlefriedchicken_doyougood!haveto should shouldnt neednt donthavetowill332DOCTOR:Youaresickbecauseyouveeatenpoisonousmushrooms.Wheredidyougetthem?LUCY:Ipickedthemintheforest.Iknowwe_eatfreshvegetables.DOCTOR:Oh,but you_ eat them until youresuretheyarenotpoisonous.LUCY:Thankyou,doctor.Illbemorecarefulnexttime.3CHARLES:IwishIcouldseethingsclearlyinthedark.TOM:Eatingcarrots_helpyouseebetter.You_eatsomeeveryday.havetomustntoughttoshould34UsingStructures(P.50)AnswerkeyforEx.1:1.haveto,should,needto2.oughtto,should3.mustnt,would4.havetoneedto5.cant,cant35 Homework1.Summarizetherulesofthemodalverbsinyourownway.2.Finishtheexercisesof“UsingWordsandExpressions”onP49.36East,west,home is best.金窝、银窝，不如自己的草窝。37
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