Unit5ItmustbelongtoCarlaPeriod1JimGuessingWhohasthefollowingthings?HeHecan’tcan’tbe_______.be_______.HeHecould/mightcould/mightbe_______.be_______.HeHecan’tcan’tbe_______.be_______.HeHecould/mightcould/mightbe_______.be_______.HeHecan’tcan’tbe_______.be_______.HeHecould/mightcould/mightbe_______.be_______.HeHecan’tcan’tbe_______.be_______.HeHecould/mightcould/mightbe_______.be_______.HeHemustmustbe__________.be__________.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,may,can,can’t,couldn’t.mustmustcan’tcouldmight100%100%probablytrueprobablytrue40%-80%40%-80%2020%-40%%-40%possiblytruepossiblytrue00almostnottruealmostnottrueLearntomakeinference程度肯定句否定句疑问句must★★★★√may★★★√√might/could★★√√√√can’tcan★√√•情态动词用于表示推测的用法;•情态动词+dosth.表示对现在事情的推测；情态动+bedoingsth.表示对正在发生事情的推测；情态动词+havedonesth.表示对过去或已完成事情的推测。•eg:1.Theymustbeathome.•2.Hemight/mayhavelosthislifeintheaccident.•3.Theactorsmustbemakingamovie.一.肯定推测（用在肯定句中）1.Must表示较有把握的推测,“一定”2.May表示对现在把握不大的推测，“可能”eg.Youmayberight.3.Can表示理论上的可能性eg.Smokingcancausecancer.4.might/could也可以表示推测，常用在过去式中，可以代替may/can,但语气较为婉转客气或更加不肯定。e.g.Hemight/couldgotoconcert.一.肯定推测（用在肯定句中）1.Must表示较有把握的推测,“一定”2.May表示对现在把握不大的推测，“可能”eg.Youmayberight.3.Can表示理论上的可能性eg.Smokingcancausecancer.4.might/could也可以表示推测，常用在过去式中，可以代替may/can,但语气较为婉转客气或更加不肯定。e.g.Hemight/couldgotoconcert.•二.否定推测•1.表示否定推测时，语气最强，“指不可能”，带有惊异、怀疑的感情色彩。•Eg.Theactorcan’tbezhouxun.Becauseshehasgonetoshanghai.•语气不很肯定时，常用Maynot或mightnot表否定推测，意为“可能不，也许不”•Eg.Hemaynot/mightnotbeathome.•三.疑问句中的推测•常用can或could，意为“可能”.•Eg.Whocanitbe?Canitbemymother?1.这本书一定是李雷的。他正在找这本书。Thisbook_____beLiLei’s.Heislookingforit.2.这个发带可能是韩梅的。她喜欢戴发带。Thehairband______beHanMei’s.Shelikeswearingahairband.mustcould3.这个玩具熊可能是约翰的妹妹的。她还是个小姑娘。Thetoybear________belongtoJohn’ssister.Sheisalittlegirl.4.这个排球不是玛丽的。她根本不喜欢排球。Thevolleyball______beMary’s.Shedoesn’tlikeplayingvolleyballatall.mightcan’tClothingFunthingsKitchenthingshatvolleyballplateT-shirtjacketToycarmagazineCDbookcupListeningandspeakingisherfavoriteauthor.isherfavoriteauthor.1.Jane’slittlebrother1.Jane’slittlebrothertoycartoycarHewastheonlylittlekidatthepicnic.Hewastheonlylittlekidatthepicnic.2.Mary2.MarybookbookHemingwayHemingwaylistenstoclassicalmusic.listenstoclassicalmusic.3.Carla3.CarlavolleyballvolleyballShelovesvolleyball.Shelovesvolleyball.4.DengWen4.DengWenmagazinemagazineHelovescats.Helovescats.5.Grace5.GraceCDCDShealwaysShealwaysPractisemakingconversationsPractisemakingconversationsSampledialogue1:A:Look!Whosetoycaristhis?B:ItmustbeJane’slittlebrother’s/belongto(介词)Jane’slittlebrot...
