高中英语 27(Unit2 Learning about language & Grammar)(共38页)课件 新人教版必修3 课件VIP免费

新课标人教版课件系列《高中英语》必修3-2.7LearningaboutLanguage(P.12)1__________somethingthatyousayisnottrue2____________nottobepunishedforsomething3__________uncooked4__________thestrongwishtoknowaboutsth.5__________someonewhobuysthingsorservicesfromashop,company,etc6__________aparticularqualitythatgivessomeoneorsomethinganadvantageliegetawaywithrawcuriositycustomerbenefit2.Fillintheblankswithwordsfromtheleftboxandparaphrasetheitalicizedpartsusingthephrasesfromtherightbox.balanceddietrawslimoughttoenergeticloseweightloseheartloseinterestlosefaceJuliewantedtobecomethinner.Sheknewshe__________eatmorevegetablesandfruitbutlittlemeat.However,asshewassoafraidofbeinglaughedatbyherfriends,shedidnotconsultadoctorbutlivedona______ofrice,__________vegetables,bananasandlemons.Threeweekslater,shefoundsheweighedasmuchasever.Shefeltsosadandhopelessaboutherselfandherbehaviourchanged.Shedidn’tdaretofaceherboyfriendandshewasunwillingtovisitherfriendsanymore.Luckily,herbestfriendFredcametoseeherandencouragedhertoexercise,eata__________dietandenjoylifeagain.SoonJuliebecameamazingly__________and__________!Shefeltveryhappy.oughttodietrawbalancedenergeticslimbecomethinner---loseweightbeinglaughedatbyherfriend---losingfacefeltsosadandhopelessaboutherself---lostheartwasunwillingtovisitanymore---lostinterestinvisitingAnswerkeytoExercise3:•1√pear;×cream(fatandalltheothersarefruit)•2√sugar;×mutton(meatandalltheothersareenergy-givingfood)•3√bacon;×cabbage(vegetableandalltheothersaremeat)•4√strawberry;×eggplant(vegetableandalltheothersarefruit)modalverb(2)oughtto•oughtto用于表示"想必会"(语气较must弱)：1.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shouldn’t替代。13.YououghttohavehelpedhimwithhisEnglish,________you?A.won’tyouB.oughtnotyouC.shouldn’tyouD.wouldn’tyou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.haveto•haveto表示客观需要去做的事情，意为“必须，不得不。”•Ihavetogetthestationearlytocatchthefirsttrain.•Wemissedthebussowehadtowalkhome.•Wehavetoovercomeallkindsofdifficulties.•Haveto有多种时态。常见的有：一般将来时，•Wewillhavetogatherattheschoolgateat7tomorrow.•一般现在时•Ihavetotakemoremoneywithmebecausemygfhassomuchtobuy.•一般过去时•Finally,wehadtogiveupourideatoholdapicnicoutsideasitrainedforawholeafternoon.haveto（考点）shall用于第一，三人称疑问句，征求意见或请求shall第二，三人称陈述句,命令,警告,允诺,威胁should表劝告，建议，命令，顺理成章的＝oughtto•疑问句中常用should代替oughtto•oughtto表应该，语气＞should•美语中，oughtto用于否，疑句时to可省shall,should&oughttoNeedIdo…?Yes,youmust.No,youneedn’t.dare&need情态动词实义动词dare否，疑，条darenotdo否,疑don’tdaretododon’tdaredo不用于肯定句肯：daretodoneed否，疑needn’tdo(don’t)needsth(don’t)needtodo肯：must,haveto,oughtto,should•Musttheydo…?Yes,theymust.No,theyneedn’t/don’thaveto.m...