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Unit 5Unit 5It must belong to Carla.It must belong to Carla.A:A:_ notebooknotebook is this?is this?Is it Joes?Is it Joes?B B:It:It mmustust b belongelong to to himhim.Because his name is on the cover.Because his name is on the cover.A:A:_ CDCD is this?is this?Is it Lindas?Is it Lindas?B B:It:It mmustust b belongelong to to herher.Because she loves listening to music.Because she loves listening to music.WhoseWhoseThings in the backpack1._2._3._T-shirthair bandtennis balls ListenListen again and fill in the blanks.again and fill in the blanks.1.The person _ go to our school.2.The person _ be a boy.3.It _ be Meis hair band.4.The hair band _ belong to Linda.5.It _ be Lindas backpack.mustmustcantcantcouldcouldmightmightmustmustListening textListening textBob:Bob:Oh,look!_ backpack do you think this is?Oh,look!_ backpack do you think this is?Anna:Anna:I dont know.Look,heres a school T-shirt.I dont know.Look,heres a school T-shirt.Bob:Bob:Well then,the person must go to our school.Oh!Here is a Well then,the person must go to our school.Oh!Here is a _ _ _,so the person,so the person cant becant be a boy.a boy.Anna:Anna:It _ _ Meis hair band.She has long hair.It _ _ Meis hair band.She has long hair.BobBob:Or the hair band _ belong to Linda.She was at the:Or the hair band _ belong to Linda.She was at the picnic,wasnt she?picnic,wasnt she?Anna:Anna:Yes,she was.But then the backpack could _ to Rita.Yes,she was.But then the backpack could _ to Rita.Shes always _ Shes always _ things.things.BobBob:Oh,look!Tennis balls.:Oh,look!Tennis balls.Anna:Anna:Then it Then it must bemust be Lindas _Lindas _.She has long hair and.She has long hair and shes on the tennis team.shes on the tennis team.BobBob:Youre right!:Youre right!Whosehairbandcouldbemightbelongforgettingbackpack情态动词在表示推测时的用法情态动词在表示推测时的用法 must:(90%)show that you think something is probably sure.eg:Listen to the songs!They must be very happy.could:(20%80%)show that you think something is possible sure.eg：This could be your good chance.The French book could belong to Mary.She studies French now.might：(20%60%)show that you think something is possible sure.eg:This book might be Mr.Zhous or Mr.Wangs.cant：(0%)show that you are almost sure something is not true.eg:That T-shirt cant be mine.Thats much too big for me.选择选择 1.Liu Meis name is on the bag.It _ hers.A.was B.has been C.must be D.will be 2.Dick isnt at school today.He _ ill at home.A.might be B maybe C.was D.cant be 3.This blue bike _ my friends,it looks the same.A.maybe B.must be C.could be D.is 4.Who _ this building belong to?A.is B.does C.was D.has CACBFill in the blanks with“must”,“might”,“could”or“cant”.1.The notebook _ be Mings.It was on her desk.2.The homework _ be Carols.She wasnt at school today.3.The soccer ball _ be Johns or Tonys.They both play soccer,dont they?4.The French book _ be Li Yings.Shes the only one whos studying French.5.I cant find my backpack.It _ be still at school.6.The photo _ be Lus.Those are his parents.7.The red bicycle _ be Hus.She has a blue bicycle.8.This ticket _ be my aunts or uncles.Theyre both going to the concert.mustmustmustmustcantmight/couldmight/couldcant
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