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truckn.卡车;货车picnicn.野餐rabbitsn.兔;野兔•1.whoseadj&pron谁的；•2.truckn.卡车•3.picnicn.野餐•4.rabbitn.兔；野兔Itcan’tbe……可能性0%Itmight/couldbe…可能性20-80%Itmustbe…可能性100%Whatkindofanimalisit?Canyouguesswhatitis?Itcouldbe_______________.Italsomightbe__________.awhitevasetwofacesItcouldbe________.Italsomightbe___________.Canyouguesswhatitis?adogtwogirlsWhatdoesshedo?Shecould/mightbea/an______Hemaybe....No,Ithinkhecouldbe............IknowhemustbeWhoishe?YiJianlian.Hecan’tbe_______.Hecould/mightbe_______.Hemustbe__________.Hecan’tbe_______.Hecould/mightbe_______.Hemustbe__________.Whatdoesshedo?Shecould/mightbea/an______Whosenotebookisthis?Ithashernameonit.=ItmustbelongtoMary.ItmustbeMary’s.MaryWhoseskirtisthis?JaneMikeItmustbelongtoJane.Itcan’tbelongtoMike.Becausesheistheonlywomanhere.Whoseskirtisthis?JaneMikeMissYangMissYangItcouldbeItmightbelongtoJane’s.MissYang’s.Jane.MissYang.Itcan’tbeMike’s.belongtoMike.Whoseisthis?Itcan’tbesb’s.Itmustbesb’s.Itcould/mightbesb’s.belongtosb.…belongtosb.belongtosb.mustcan’tmightcould100%probablytrue20%～80%possiblytrue0%almostnottruemust＞can＞may＞could＞might1aLookatthepicture.Writethethingsyouseeinthecorrectcolumnsinthechart.ClothingFunthingsKitchenthingshatvolleyballplateT-shirtjacketbaseballcaptoytruckbook(HarryPotter)magazines(rabbits)CD(MichaelJackson)cupListenandmatcheachpersonwithathingandareason.1bPersonThingReasonJane’slittlebrothervolleyballJ.K.Rowlingisherfavoritewriter.MarytoytruckShelovesvolleyball.CarlamagazineHewastheonlylittlekidatthepicnic.DengWenbookShealwayslistenstopopmusic.GraceCDHelovesrabbits.Practicetheconversationinthepictureabove.Thenmakeconversationsusingtheinformationin1b.1cItmustbeMary’s.J.K.Rowlingisherfavouritewriter.Whosebookisthis?PersonThingReasonJane’slittlebrothertoytruckHewastheonlylittlekidatthepicnic.MarybookJ.K.Rowlingisherfavoritewriter.CarlavolleyballShelovesvolleyball.DengWenmagazineHelovesrabbits.GraceCDShealwayslistenstopopmusic.Whosevolleyballisthis?ItmustbeCarla’s.Shelovesvolleyball.Whosetoytruckisthis?ItmustbeJane’slittlebrother’s.Hewastheonlylittlekidatthepicnic.Whosemagazineisthis?ItmustbeDengWen’s.Helovesrabbits.WhoseCDisthis?ItmustbeGrace’s.Shealwayslistenstopopmusic.情态动词表推测的用法：情态动词must,might,may,could,can’t后接动词原形must表示非常肯定的猜测.100%的可能性“一定”may/might/could表示有可能的猜测.20%~80%的可能性“可能”can’t表示肯定不可能.可能性几乎为零“不可能”情态动词表示推测：1.肯定推测must一定may/might/could可能否定推测can’t不可能2.mustbe一定是may/might/couldbe可能是can’tbe不可能是｝+动原随堂练习Fillintheblankswithmust,may/might/could,can’t,belongto.1).Whoseearringsarethese?They__________beMary’s.sheneverwearsearrings.2).Thetelephoneisringing,butnobodyanswersit.He______________________beout.3).－“Whoseisthisbook?Oh,it________beMary’s.Hernameisontheback.”－“No,it_________________me,shegaveittomeyesterday.”can’tmustbelongtomay/might/could小结与作业Fillintheblankswithmust,may,might,could,can’t1.Whoseearringsarethese?They__________beMary’s.shewearsearringssometimes.2.Gina_________cometothepartytonight,butI’mnotsure.3.IsthisLanQiang’sbook?Yes,it___________behis.Thereishisnameontheback.4.You’dbettertakeanumbrella.It_____________rainthisafternoon.5.Thehomework___________________beCarol’s.Shewasn’tatschooltoday.may,might,could,can’tmay,might,could,may,might,could,must•1.whoseadj&pron谁的；•2.truckn.卡车•3.picnicn.野餐•4.rabbitn.兔；野兔•5.attendv.出席，参加•6.valuableadj.贵重的;有用的•7.pinkadj.粉红色的；•8.anybodypron.任何人根据句意,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.couldmight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.Ican’tremember!Iattendedaconcertyesterdaysoitmightstillbeinthemusichall.Doyouhaveanythingvaluableinyourschoolbag?v.出席;参加adj.贵重的;很有用的;宝贵的Makeconversationsusingtheinformationin2aand2b.2cWhat’sinside?There’saT-shirt,...Thepersonmustgoto…What’sinside?There’sahairband,...Thepersoncan’tbeaboy,…What’sinside?There’sahairband,...ItcouldbeMei’s.What’sinside?There’sahairband,...ItmightbelongtoLinda.What’sinside?Therearetennisballs,...ItmustbeLinda’sschoolbag.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.Mom,I’mreallyworried.Role-playtheconversation.2dWhy?What’swrong?Ican’tfindmyschoolbag.Well,wheredidyoulastputit?No,justmybooks,mypinkhairbandandsometennisballs.Soitcan’tbestolen.adj.粉红色的n.粉红色Oh,wait!Iwenttoapicnicaftertheconcert.IrememberIhadmyschoolbagwithmeatthepicnic.Socoulditstillbeatthepark?Yes.Ileftearly,beforetherestofmyfriends.Ithinksomebodymusthavepickedit