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1、Unit2HealthyeatingLearningaboutLanguage2021/8/11 星期三1liegetawaywith raw curiositycustomerbenefit LearningaboutLanguage(P.12)1.Writedownthewordsaccordingtothemeaningsbebind.1_somethingthatyousayisnottrue2_nottobepunishedforsomething3_uncooked4_thestrongwishtoknowaboutsomething.5_someonewhobuysthingso
2、rservicesfromashop,company,etc.6_a particular quality that gives someone orsomethinganadvantage2021/8/11 星期三2balanceddietrawslimoughttoenergeticloseweightloseheartloseinterestloseface 2.Fill in the blanks with words from the left box andparaphrasetheitalicizedpartsusingthephrasesfromtherightbox.2021
3、/8/11 星期三3Juliewantedtobecomethinner.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 ab
4、out herself and her behaviourchanged.oughtto dietraw 2021/8/11 星期三4Shedidntdaretofaceherboyfriendandshewasunwillingtovisitherfriendsanymore.Luckily,herbestfriendFredcame to see her and encouraged her to exercise,eat a_dietandenjoylifeagain.SoonJuliebecameamazingly_and_!Shefeltveryhappy.balanced ener
5、getic slim2021/8/11 星期三5becomethinnerloseweightbeinglaughedatbyherfriendslosingfacefeltsosadandhopelessaboutherselflostheartwasunwillingtovisitherfriendsanymorelostinterestinvisiting2021/8/11 星期三6AnswerkeytoExercise3:1pear;cream(fatandalltheothersarefruit)2 sugar;mutton(meat and all the others are e
6、nergy-givingfood)3bacon;cabbage(vegetableandalltheothersaremeat)4strawberry;eggplant(vegetableandalltheothersarefruit)2021/8/11 星期三7modalverb(2)2021/8/11 星期三8 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
7、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。2021/8/11 星期三9You ought to have helped him with his English,_?A.wontyouB.cannotyouC.shouldntyouD.wouldntyou【即学即练】【即学即练】2021/8/11 星期三10比比较hadbetter,should&oughtto三者均表示建三者均表示建议，意，意为“应该”，“应当当”或或“最好做最好做”。三者的三者的语气程度气程度为渐强强。hadbetter指一般性的建指一般
8、性的建议，最弱。，最弱。should&oughtto含含义相近，常可互相近，常可互换。区。区别在于在于:oughtto常指特殊情况下的常指特殊情况下的“应当当”；should则指一般情况。例句指一般情况。例句见下下页。2021/8/11 星期三11Yououghttohelphimbecauseheisintroublenow.(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 somethingwrongin
9、yourhouse.(语气较强语气较强)Heshouldtakecareofthebabiestonight.（一般情况）（一般情况）2021/8/11 星期三12havetohaveto表示客表示客观需要去做的事情，意需要去做的事情，意为“必必须，不得不，不得不”。Ihavetogettothestationearlytocatchthefirsttrain.Wemissedthebussowehadtowalkhome.Wehavetoovercomeallkindsofdifficulties.2021/8/11 星期三13haveto有多种时态。常见的有：有多种时态。常见的有：Wewi
10、llhavetogatherattheschoolgateat7tomorrow.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2021/8/11 星期三14shall,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
11、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。2021/8/11 星期三15NeedIdo?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dontdaretododontdar
12、edo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&need2021/8/11 星期三16Musttheydo?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&haveto2021/8/11 星期三17比较比较must&havetom
13、ust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.”2021/8/11 星期三18注意对注意对need问句的回答问句的回答:NeedIfinishtheworktoday?Yes,_.No,_.No,_.you
14、mustyouneedntyoudonthaveto2021/8/11 星期三19neednt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)2021/8/11 星期三20CouldIborrowyourdictionary?(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,youmus
15、tnt.2021/8/11 星期三211.Ithoughtyou_likesomethingtoread,soIhavebroughtyousomebooks.A.mayB.mightC.wouldD.must2.Whereismypen?I_it.A.mightloseB.wouldhavelostC.shouldhavelostD.musthavelostBD【达标训练】【达标训练】2021/8/11 星期三223.Ididnthearthephone.I_asleep.A.mustbeB.musthavebeenC.shouldbeD.shouldhavebeen4.There were
16、 already five people in the car,but theymanagedtotakemeaswell.It_acomfortablejourney.A.cantbeB.shouldntbeC.mustnthavebeenD.couldnthavebeenBD2021/8/11 星期三235.Itsseven.Jack_behereatanymoment.A.mustB.needC.shouldD.could6.IsJohncomingbytrain?Heshould,buthe_not.Helikesdriving.A.mustB.canC.needD.mayCD2021
17、/8/11 星期三247.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.mustntbeDC2021/8/11 星期三259.Didthetrainarriveintime?No.It_twohou
18、rsago.A.musthavearrivedB.oughttohavearrivedC.mustarriveD.oughttoarrive10.MustIdrivetohishouseandpickupthechildren?No,_.A.youshouldntB.youmightnotC.youneedntD.youmustntBC2021/8/11 星期三2611.WedidntseeTomatthemeetingyesterday.He_it.A.mustnthaveattendedB.cannothaveattendedC.neednthaveattendedD.wouldhaven
19、otattendedB2021/8/11 星期三27C12.You _ such a long composition.The teacheronlyaskedfor300words.Youhavewritten600words.A.mustnthavewrittenB.couldnthavewrittenC.neednthavewrittenD.donothavetowrite2021/8/11 星期三2813.Thereissomeoneknockingatthedoor.itbeTom?A.CanB.MustC.ShouldD.Oughtto14.Twoyears ago,my husb
20、and bought me a bicycle.If you live in the town,it is often faster than a car and you worryaboutparking.A.mustnot B.maynotC.shouldnotD.donthavetoAD2021/8/11 星期三29AnswerkeyforEx.1:1.Thenusuallybylunchtimetheywouldallbesold.(Possibility)2.Whatcouldhavehappened?(Possibility)3.Nothingcouldbebetter(Possi
21、bility)4.Somethingterriblemusthavehappenedif(Guessing)Discoveringusefulstructures2021/8/11 星期三305.Hecouldnotbelievehiseyes.(Ability)6.Perhapsheshouldgotothelibraryandfindout.(Duty)7.HecouldnothaveYongHuigetawaywithtellingpeoplelies!(Intention)8.Hehadbetterdosomeresearch!(Duty)9.Eventhoughhercustomer
22、smightgetthinaftereatingYongHuisfood(Possibility)10.Theywouldbecometiredveryquickly.(Ability)2021/8/11 星期三31 2.Choosesuitablemodalverbsfrombelowtocompletethe following dialogues.There may be more than onepossibility.ought/oughtnttoshould/shouldntmustnt/neednt/(dont)havetowill/can/cant2021/8/11 星期三32
23、1SAM: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
24、_doyougood!haveto should shouldnt neednt donthavetowill2021/8/11 星期三332DOCTOR:Youaresickbecauseyouveeatenpoisonousmushrooms.Wheredidyougetthem?LUCY:Ipickedthemintheforest.Iknowwe_eatfreshvegetables.DOCTOR:Oh,but you_ eat them until youresuretheyarenotpoisonous.LUCY:Thankyou,doctor.Illbemorecarefulne
25、xttime.3CHARLES:IwishIcouldseethingsclearlyinthedark.TOM:Eatingcarrots_helpyouseebetter.You_eatsomeeveryday.havetomustntoughttoshould2021/8/11 星期三34UsingStructures(P.50)AnswerkeyforEx.1:1.haveto,should,needto2.oughtto,should3.mustnt,would4.havetoneedto5.cant,cant2021/8/11 星期三35 Homework1.Summarizetherulesofthemodalverbsinyourownway.2.Finishtheexercisesof“UsingWordsandExpressions”onP49.2021/8/11 星期三36East,west,home is best.金窝、银窝，不如自己的草窝。2021/8/11 星期三372021/8/11 星期三38