Unit5Unit5ItmustbelongtoCarla.ItmustbelongtoCarla.SectionASectionALet’splayagame!Hemustbe_____________.Hemustbe_____________.Hemustbe_____________.Canyouguesswhatitis?Itcouldbe_________________.Italsomightbe______________.awhitevasetwofacesItcouldbe___________.Italsomightbe___________.Canyouguesswhatitis?adogtwogirls•CouldAbebiggerthanB?•Infact,AandBmustbe___________________.Whichoneisbigger,AorB?ABthesamesizeNo.表示推测的情态动词在英语中,表示对某件事物的确定程度,即表示推测的时候,我们通常会用到以下情态动词:must,might,could,can’t,couldn’t,may.mustmustcan’tcouldmight100%100%probablytrueprobablytrue20%-80%20%-80%possiblytruepossiblytrue00almostnottruealmostnottrueLearntomakeinference程度肯定句否定句疑问句must★★√might/could★√√√√can’t★★√belongauthorpicnichairhandpossibly1.1.v.v.属于属于2.2.n.n.作家;作者作家;作者3.3.n.n.(自带食物的)郊游野餐(自带食物的)郊游野餐4.4.发带发带5.5.adv.adv.可能地;也许可能地;也许authorpossiblybelongpicnichairhandStep2:lookatthepictureandfillinthechartCloth-ingFunthingsKitchenthingshatvolleyballplateT-shirtjacketToycarmagazineCDbookcup1b1bPersonJane’slittlebrotherMaryCarlaDengWenGraceThingVolleyballToycarMagazineBookCDReasonHemingwayisherfavoriteauthor.Shelovesvolleyball.Hewastheonlylittlekidatthepicnic.Shealwayslistenstoclassicalmusic.Helovescats.Listenandmatcheachpersonwithathingandareason.2a2aListenandwritedownthethingsinthebackpack.Thingsinthebackpack.1.1.2.2.3.3.T-shirtT-shirtHairbandHairbandTennisballTennisball2b2b1.Thepersonmustgotoourschool.2.Thepersonbeaboy.3.ItbeMei’shairband.4.ThehairbandbelongtoLinda.5.ItbeLinda’sbackpack.can’tcouldmustmightListenagainandfillintheblankPAIRWORK•Makeconversationsusingtheinformationinthechartin1b.•A:Whosebookisthis?•B:itmustbeMary’s.Hemingwayisherfavoriteauthor.Grammarfocus•情态动词must,might,could,can’t表示推测的含义与用法。•情态动词must,might,could,can’t后面都接动词原形,都可以表示•对现在情况的揣测或推断,但他们的含义有所不同Fillintheblankswithmust,can’t,couldormight.2c2c1.ThenotebookbeMing’s.Itwasonherdesk.2.ThehomeworkbeCarol’s.Shewasn’tatschooltoday.3.ThesoccerballbeJohn’sorTony’s.Theybothplaysoccer,don’tthey?4.TheFrenchbookbeLiYing’s.She’stheonlyonewho’sstudyingFrench.must/mightcan’tmightmust5.Ican’tfindmybackpack.Itbestillatschool.6.ThephotobeLu’s.Thosearehisparents.7.TheredbicyclebeHu’s.Shehasabluebicycle.8.Thisticketbemyaunt’soruncle’s.They’rebothgoingtotheconcert.might/couldmustcan’tmight/could1.Choosethebestanswer1.Choosethebestanswer1.Ididn’thearthephone.I___asleep.A.mustbeB.musthavebeenC.shouldbeD.shouldhavebeen2.Mary____beinParis.Isawherintownonlyafewminutesago.A.mustn’tB.shouldn’tC.can’tD.maynotB.musthavebeenB.musthavebeenC.can’tC.can’t3.Peter____comewithustonight,butheisn’tverysureyet.A.mustB.mayC.canD.will4.Ithoughtyou____likesomethingtoread,soIhavebroughtyousomebooks.A.mayB.mightC.couldD.mustB.mayB.mayB.mightB.mightPleasedomorepracticeasrequiredPleasedomorepracticeasrequiredin1conPage34.in1conPage34.Write3conversationslike1cinyouWrite3conversationslike1cinyourexercisesbook.(Payattentiontrexercisesbook.(Payattentiontomust/might/could/can’t)omust/might/could/can’t)