Unit8ItmustbelongtoCarla.SectionAGuessinggamesWhosedogisthis?Itmight/couldbe____.Heisasingerandactor,heiswell-known.Whosedogisthis?ItmustbeLiuDehua’s.Itmight/couldbe____.Heisasingerandactor,heiswell-known.AKorean(韩国的)actor,heiscoolandpopular.Whosedogisthis?Itmight/couldbe___.AKorean(韩国的)actor,heiscoolandpopular.Whosedogisthis?Itmight/couldbe___.ItmustbeRain’s.Heisabasketballplayer.Whosecaristhis?Itmight/couldbe__.Itcan’tbe_____.Itmustbe_____.Heisabasketballplayer.Whosecaristhis?Itmight/couldbe__.Itcan’tbe_________.Itmustbe_________.WangZhizhi’sYaoMing’sLookandguess.Whoisshe?Shecan’tbeGuoJingjing.Shemight/couldbeWangNan.ShemustbeZhangYining.?Oh,yes.SheisZhangYining.can’t在此表示猜测,译为“不可能”,后接动词原形。might/could在此表示猜测,译为“也许,可能”,后接动词原形。must在此表示猜测,译为“肯定,极可能”,后接动词原形。Liuxiang-It______-Whoseexercisebookisthis?mustbelongtoLiuXiang(属于)Becauseithashisnameonit.Whose…isthis?Itcan’tbesb’s.Because…Itmustbesb’s.Because…Itcould/mightbesb’s.Because…belongtosb.belongtosb.belongtosb.-It______belongtoMaryorLiliBecausetheybothplayfootball.-Whosefootballisthis?mightcouldmustLiliMary-It_______belongtoBush.Because___________________Bush-Whoseredbicycleisthis?can’thisbikeiswhiteandblue.CanthisT-shirtbeJohn’s?Itcan’tbeJohn’s.Becauseit’smuchtoosmallforhimJohn-Whose…isthis?(=ItbelongtoLiuxiang)Bush-It______beLiuXiang’s.Becauseithashisnameonit.Pairwork:JohnTonyLiuXiang1a:lookatthepictureandfillinthechartCloth-ingFunthingsKitchenthingshatvolleyballplateT-shirtjacketToycarmagazineCDbookcup1bPersonJane’slittlebrotherMaryCarlaDengWenGraceThingVolleyballToycarMagazineBookCDReasonHemingwayisherfavoriteauthor.Shelovesvolleyball.Hewastheonlylittlekidatthepicnic.Shealwayslistenstoclassicalmusic.Helovescats.Listenandmatcheachpersonwithathingandareason.ListenandreadGirl1:Whosevolleyballisthis?Boy1:ItmustbeCarla’s.Shelovesvolleyball.Girl1:Howaboutthistoycar?Girl2:Oh,thattoycarmustbelongtoJane’slittlebrother.Hewastheonlylittlekidatthepicnic.AndthemagazinemustbelongtoDengWen.Helovescats.Boy1:Oh,andlook,someoneleftabook.Girl2:Oh,yeah…ThisbookmustbeMary’s.Hemingwayisherfavoriteauthor.Girl1:Ok…andhowaboutthisCD?Girl2:Hmmm…TheCDmustbelongtoGrace.Shealwayslistenstoclassicalmusic.2aListenandwritedownthethingsinthebackpack.Thingsinthebackpack.1.2.3.T-shirtHairbandTennisball2b1.Thepersonmustgotoourschool.2.Thepersonbeaboy.3.ItbeMei’shairband.4.ThehairbandbelongtoLinda.5.ItbeLinda’sbackpack.can’tcouldmustmightListenagainandfillintheblankGrammarFocus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,maymust一定,肯定(100%的可能性)might,could有可能,也许(20%~80%的可能性)can’t不可能,不会(可能性几乎为零)•能用来表示推测的情态动词must,might,could,may,can’t确信程度大小:must〉maymight肯定和否定的推测:must(肯定)can’t,couldn’t(否定)◆ThenotebookbeMing’s.Itwasonherdesk.◆ThehomeworkbeCarol’s.Shewasn’tatschooltoday.◆ThesoccerballbeJohn’sorTony’s.Theybothplaysoccer,don’tthey?◆TheFrenchbookbeLiYing’s.She’stheonlyonewho’sstudyingFrench.must/mightcan’tmightmustFillintheblanks.Thentellyourpartnerwhyyouchoosethewords.2c◆Ican’tfindmybackpack.Itbestillatschool.◆ThephotobeLu’s.Thosearehisparents.◆TheredbicyclebeHu’s.Shehasabluebicycle.◆Thisticketbemyaunt’soruncle’s.They’rebothgoingtotheconcert.must/mightcan’tmightmust情态动词must,might,could,can’t后接动词原形,可以表示对现在的情况的.Itcan’t()…Itmight/could()…Itmust()…+be(cold/aCD/sb’s)★★beTony’s(是…的)Itmust推测不可能有可能肯定belongtoTony.(属于…)及时小结才能巩固所学知识Choosetherightanswer:•1.--whosebookisthis?()--ItbeLucy’s.Look,Hernameisonthecover.A.canB.mustC.mayD.could•2.—Ittookmenearlyfortyminutestowalkhere.--Haveadrink,please.Youbethirsty.()A.willB.mustC.shouldD.can•3.Whenyoucrosstheroad,youbeverycareful.()A.mustB.shouldC.canD.mayBBA1.Choosethebestanswer①.Idon’tknowhim.He___anewcomer.A.mustbeB.mayC.canbeD.maybe②.Mary____beinParis.Isawherintownonlyafewminutesago.A.mustn’tB.shouldn’tC.can’tD.maynotA.mustbeC.can’t③.Peter____comewithustonight,butheisn’tverysureyet.A.mustB.mayC.canD.will④.Ithoughtyou____likesomethingtoread,soIhavebroughtyousomebooks.A.mayB.mightC.couldD.mustB.mayD.must2.Fillintheblankswithmust,might/could,can’t,belongto.①Whoseearringsarethese?They__________beMary’s.sheneverwearsearrings.②Thetelephoneisringing,butnobodyanswersit.He_______________beout.③-“Whoseisthisbook?Oh,it______________Mary’s.Hernameisontheback.”-“No,it_________________me,shegaveittomeyesterday.”can’tmay/mightmustbebelongtoTheDestDesige(SectionA1a—2c)TherearefivepeopleinDick’sfamily.Mr.Smithisaworker.Mrs.Smithisahousewife.Dick’ssisterGraceis20.Shehaslonghairandshelikesmusic.Dickisa13-year-oldboy.Helikessportsandcanplaytheguitar.Mark,Dick’sbrotherisjust3yearsold.Readthepassageandremembertheinformation.Whose---isthis/arethese?Why?1.The…might/could/must/can’tbeMrSmith,because…2.The…might/could/mustcan’tbelongtoMr.Smith,because…Mr.Smith,Mrs.Smith,Grace,Dick,MarkOralpracticeLookatthefollowingpicturesandsaysomesentenceswithmust,could,might,can’t1.---Whosebookisthis?---ItmustbeMary’s.ItmustbelongtoMary.SectionA重点句型:3.ThehairbandmightbelongtoLinda.mightbeLinda’s.2.---WhoseFrenchbookisthis?---ItcouldbeAli’s.ShestudiesFrench.4.TheT-shirt