Unit2 Healthy eating-Grammar课件(新人教版)文库.ppt

Period4GrammarModalVerbs,Unit2HealthyEating,Thefirstwealthishealth.健康是人生第一财富。Alightheartliveslong.豁达者长寿。Earlytobedandearlytorisemakesamanhealthy,wealthyandwise.早睡早起会使人健康、富有和聪明。Withouthealthnopleasurecanbetastedbyman.没有健康就没有乐趣。Goodhealthisoverwealth.健康是最大的财富。,Proverbs,Whatshould/shouldntwedotokeephealthy?,Goodhealthisoverwealth.,Ifyoudliketogiveadviceoropinions,youcanuseshould/oughtto/hadbetterdo,Whatoughtwetodotokeephealthy?,Goodhabitscanhelpustokeephealthyandbadonescancausediseases.ThereisaseriousdiseasecalledH1N1fluthesedays.Itspreadseasilyamongpeopleinspringandautumn.Thefluisaseriousdisease,butwedonthavetobeafraidofit.Wecandosomethingtopreventit.Buthow?,Weoughttokeeptheairfreshallthetime.Weoughttokeepawayfromcrowdedplaces.Wedbetterdrinkmorewatereveryday.,Youshouldgotoschoolrightaway.Itseightoclocknow.Heshouldbeatwork.Itseemssounfairthisshouldhappentome.Youshouldhaveremindedmeofthemeeting.Whatshouldwedonow?,sumup,义务,表惊讶：竟然,推测,用于第一人称疑问句，询问对方的意愿,表责备，谴责,Whatkindoffoodmustweeattobestrong?,Goodhealthisoverwealth.,must/haveto,MustIfinishthetaskrightnow?,Yes,youmust/youhaveto.No,youneednt/youdonthaveto.,ShecalledmeyesterdayeveningbutIdidnthearit.,I_(be)asleep.,musthavebeen,1.-Willyoustayforlunch?-Sorry,_.Mybrotheriscomingtoseeme.A.ImustntB.IcantC.IneedntD.Iwont2.-MayIpickaflowerinthegarden?-_.A.No,youneedntB.Not,please.C.No,youmustntD.No,youwont.3.You_returnthebooknow.Youcankeepittillnextweekifyoulike.A.cantB.mustntC.needntD.maynot4.John,you_playwiththeknife,you_hurtyourself.A.wont;cantB.mustnt;mayC.shouldnt;mustD.cant;shouldnt,C,B,B,C,mustntneedntshouldntcant,不准,禁止,没必要(=donthaveto),不应该(=oughtnotto),不能，不可能,Couldyouusethemtomakesentences?,Whatmodalverbshaveyoulearned?can/couldmay/mightwill/wouldshall/shouldhadbettermusthavetoneedoughttodare,*can/could只能表示现在或过去的能力*beableto能用于各种时态相当于managetodosth./succeedindoingsth.,1.表示“能力”的情态动词的用法,He_gotothepartyyesterdayeveninginspiteoftheheavyrain.2.Althoughhe_swim,he_crosstheriver.,wasableto,cant,wasableto,2.表示“许可”的情态动词,1.-_Igoouttoplay,mum?-No,you_.Youshoulddoyourhomeworkfirst.A.Might;wouldntB.Can;needntC.Can;cantD.Need;mustnt2.-CouldIcallyoubyyourfirstname?-Yes,you_.A.willB.couldC.canD.might,3.表示“请求”的情态动词的用法,*均可表示将来。过去时为should,would.,*will,would可表示意愿、常出现的动作。在疑问句中表示请求和建议.,4.表示“推测，可能性”的情态动词,can表示推测时，只能用在否定句或疑问句中。,Itssolate.CanTombereading?,这么晚了，汤姆还在看书吗？,这个人不可能是玛丽，她生病了。,ItcouldntbeMary.Shehadfallenill.,情态动词能表示时态吗？,1.表示对现在的推测2.表示对过去的推测3.表示对将来的推测,表示推测情态动词的重要用法,肯定的推测可能的推测否定的推测疑问的推测,must,对将来对现在对过去,情态动词,may,might,cant,couldnt,can,could,+V.+V.+havedone常见mustbe+bedoing,+V.+V.+havedone+bedoing可以用not表示“可能不”,+V.+V.+havedone+bedoing,+V.+V.+havedone+bedoing,Youlooktired.You_gotobednow.,should,You_believeeverythingyoureadontheInternet.,shouldnt/cant,Mymothercookedalotoffoodforme.Shehasbeencookingallthemorning.,Shemustbetirednow.,Ihavejusteatenalotoffoodforlunch.,Youcantbehungrynow.,Myhouseisneartherailway.,It_benoisythere.,must,Theoldrestaurant_beverygood.Itsalwaysfullofpeople.,Thenewrestaurant_beverygood.Itsalwaysempty.,must,cant,WhereisJane?,Perhapssheisreadingnewspapers.,=She_(read)newspaper.,maybereading,InChina,manychildren_wearuniformwhentheygotoschool.,haveto,DonttellanybodywhatIsaid.You_keepitasecret.,must,Thefloorisclean.You_sweepit.,neednt,Thefloorisclean.You_sweptit.,musthave,IpromisedIwouldbeontime.I_belate.,couldnt,LastnightPaulbecameillsuddenly.We_callthedoctor.,hadto,Wecantrepairthecarourselves.We_takeittoagarage.,haveto,Icanmanagetheshoppingalone.You_comewithme.,neednt,Thatisanimportantbook.You_keepitwell.,must,Excuseme,_youtellmethewaytotherailwaystation,please?,could,Youarecarryingalotofthings.Youcantopenthedooryourself.Theresamanstandingnearthedoor.Yousaytohim:,_youopenthedoor,please?,Could,_youlikeacupofcoffee?,Would,1.Bylunchtimetheywouldallbesold.2.Hisrestaurantoughttobefullofpeople.3.Whatcouldhavehappened?4.Nothingcouldhavebeenbetter.5.Somethingterriblemusthavehappened.6.Iwilltakeallthatfatoffyouintwoweeks.7.Hecouldnotbelievehiseyes.8.Hewonderedifheshouldgotothelibrarytofindout.9.HecouldnthaveYongHuigettingawaywithtellingpeoplelies.10.Hehadbetterdosomeresearch.11.Aftereatingintherestaurantpeoplewouldbecomefiredveryquickly.,IntentionB.DutyC.PromiseD.PossibilityE.Guessing,(D),(D),(E),(A),(B),(A),(B),(D),(C),(D),(D),1.Ithoughtyoulikesomethingtoread,soIhavebroughtyousomebooks.AmayB.mightC.canD.must2.Youtothemeetingthisafternoonifyouhavesomethingimportanttodo.A.neednttocomeB.dontneedcomeC.dontneedcomingD.needntcome3.Heyoumorehelp,eventhoughhewasverybusy.A.mighthavegivenB.mightgiveC.canhavegivenD.maygive4.-Ihelpyouwithsomeshoes,madam?-Yes,Iwouldliketotryonthosebrownones.A.WillB.ShouldC.MayD.Must,5.Thereasonwhytheyleavewasntexplainedtous.A.hadB.hadtoC.mustD.might6.Isearchedformywalletanditwasntthere.IthoughtIitathome.A.leftB.haveleftC.mighthaveleftD.canhaveleft7.I_asleepbecauseittookmealongtimetorealizethatthetelephonewasringing.couldhavefallenB.shouldhavefallenC.musthavefallenD.mustnthavefallen,8.Theonlythingthatreallymatterstothechildrenishowsoonthey_returntotheirschool.A.canB.mustC.havetoD.oughtto9.IwanttogotoMarys,butyou_gowithme.A.neednotB.mustnotC.needD.must10.Whatwe_getseemsbetterthanwhatwehave.A.canB.couldC.cantD.couldnt11.-Mygoodness!Ivejustmissedthetrain.-Thatstoobad.Iamsureyou_it,ifyouhadhurried.A.couldhavecaughtB.hadcaughtC.wouldcatchD.couldcatch,12.Look!Whatyouvedone!Youmorecareful.A.maybeB.hadtoC.shouldhavebeenD.wouldbe13._Irepeatthequestion?A.ShallB.WillC.DoyouwantthatD.Do1.Therewerealready5peopleinthecar,buttheymanagedtotakemeaswell.Itacomfortablejourney.A.cantbeB.shouldntbeC.couldnthavebeenD.mustnthavebeen1.Tomoughtnotto_meyoursecret,buthemeantnoharm.A.havetoldB.tellC.betellingD.havingtold,.Iparkedmycarrightherebutnowitsgone.It.A.mustbestolenB.maybestolenC.musthavestolenD.musthavebeenstolen.Hetheworkyesterday,buthedidnt.A.musthavefinishedB.needfinishC.finishedD.shouldhavefinished.Hedidnotpasstheexamination.Asagoodstudent,he.A.mustnthavefailedB.maynothavefailedC.neednthavefailedD.shouldnthavefailed,1SAM:HowcanIgrowthinner,Mum?MUM:Well,yo