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truck[trʌk]n.卡车;货车picnic[pɪknɪk]n.野餐rabbit[ræbɪt]n.兔;野兔pink[pɪŋk]粉红的;粉色valuable[‘væljuəbl]贵重的;很有用的;宝贵的truckpicnicrabbitvaluablepink表示推测的情态动词在英语中，表示对某事物的确定程度，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’tPresentationmustcan’tcouldmight100%probablytrue20%～80%possiblytrue0almostnottrue一定可能不可能Hecan’tbe_______.Hemustbe_______.WangBaoqiangChengLongCanyouguesswhatitis?Itcouldbe_______________.Italsomightbe__________.awhitevasetwofacesWhosedogisthis?ItmustbeLiuDehua’s.ItmustbelongtoLiuDehua.hishimHeisabasketballplayer.Whosecaristhis?Itmight/couldbe__.Itcan’tbe_________.Itmustbe_________.YaoMing’sItmustbelongtoYaoMing/him.Liuxiang-It______beLiuXiang’s.-Whoseexercisebookisthis?ItmustbelongtoLiuXiang.(属于)must-It_______belongtoBush.Because___________________Bush-Whoseredbicycleisthis?can’thisbikeiswhiteandblue.1aLookatthepicture.Writethethingsyouseeinthecorrectcolumnsinthechart.ClothingFunthingsKitchenthingshatvolleyballplateT-shirttoytruckbook(HarryPotter)magazines(rabbits)CD(MichaelJackson)cupListenandmatcheachpersonwithathingandareason.1bPersonThingReasonJane’slittlebrothervolleyballJ.K.Rowlingisherfavoritewriter.MarytoytruckShelovesvolleyball.CarlamagazineHewastheonlylittlekidatthepicnic.DengWenbookShealwayslistenstopopmusic.GraceCDHelovesrabbits.2aThingsintheschoolbag1.T-shirt2.3.hairbandtennisballsBobandAnnafoundaschoolbagatthepark.Listenandwritedownthethingsintheschoolbag.2bmustcan’tcouldmightmustListenagain.Fillintheblanks.1.Theperson_____gotoourschool.2.Theperson______beaboy.3.It_____beMei’shairband.4.Thehairband______belongtoLinda.5.It_____beLinda’sschoolbag.Makeconversationsusingtheinformationin2aand2b.2cWhat’sinside?There’saT-shirt,...Thepersonmustgoto…What’sinside?There’sahairband,...Thepersoncan’tbeaboy,…Role-playtheconversation.2d1.What’swrongwithLinda?2.Whatdidshedoyesterday?3.Doesshehaveanythingvaluableinherschoolbag?Shecan’tfindherschoolbag.Sheattendedaconcertandwenttoapicnic.No,justherbooks,herpinkhairband,andsometennisballs.Role-playtheconversation.2d4.Didsheleavewithherfriends?No,sheleftearlybeforetherestofherfriends.1.ItmustbelongtoCarla.belongto意为“属于”，它一般不用于进行时态和被动语态。如：ThehairbandbelongstoAnna.(√)ThehairbandisbelongingtoAnna.(×)ThehairbandisbelongedtoAnna.(×)此外，belongtosb.通常可以和名词性物主代词或名词所有格(一般是’s所有格)互相转换。如：Thebluejacketbelongstohim/Jerry.→Thebluejacketishis/Jerry’s.2.Well,wheredidyoulastputit?lastadv.上次;最近的一次;最后一次last除用于句末外,还常置于句子中间。e.g.WhenIlastsawher,shewasworkinginShanghai.我上次见她时，她在上海工作。Whendidyouseehimlast?你最近见到他是什么时候？join/takepartin/attendjoin指加入某个党派,团体组织等,成为其中一员,意为“参军,入党,入团”。e.g.jointheArmy/theParty/theLeaguejoinsb.in(doing)sth.和某人一道做某事e.g.Willyoujoinusinthepicnic?你参加我们的野炊吗？3.Iattendedaconcertyesterdaysoitmightstillbeinthemusichall.joinin多指参加小规模的活动如“游戏,比赛”,口语中常用。e.g.Joininthebasketballgame.参加篮球赛。takepartin指参加会议或群众性活动,着重说明主语参加该项活动并在活动中发挥作用。e.g.We’lltakepartinthesportsmeeting/club.takeanactivepartin积极参加……attend正式用语vt.指参加meeting,concert,wedding等。4.Ithinksomebodymusthavepickeditup.must在此处表示推测,意为“一定”。英语中当情态动词后接havedone时,表达对过去的事情进行推测,故musthavedonesomething表示“过去一定做过了”这样的意思。e.g.He’splayingoutside.Hemusthavefinishedhishomework.5.I’llcallthemnowtocheckifanybodyhasit.anybodypron.任何人常用于否定句或疑问句中;当用于肯定句中时,相当于anyperson,意为“任何人”。e.g.Iwillnottellanybodythesecret.Isthereanybodyintheoffice?Anybodycoulddoit!情态动词用法例句must表示很有把握的推测，意为“一定”，只用于肯定句。Thelightisout.Hemustbesleeping.could和might表示不太有把握的推测，意为“可能”。Thepencould/mightbeJoe’s.Isawitonhisdeskjustnow.can’t表示很有把握的否定推测，意为“不可能”。Thegirlherecan’tbeHelen.HelenhasgonetoBeijing.根据句意,从括号内选择合适的单词填空。1.Amyhaspracticeddancingforfivehours.She______(must/can’t)beverytired.2.MissYang______(must/can’t)beathome.ShehasgonetoShanghai.3.Don’tplayonthestreet.You______(could/can’t)behurtbycars.mustcan’tcould4.Bruce_______(must/might)passtheexam.I’mnotsure.5.Ican’tfindmypenatschool.It_______(could/can’t)beathome.couldmight1.Recitetheconversationin2d.2.Finishtheexercisesintheworkbook.