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1、If you study hard, you will get good grades.,REVISION:,真实性的条件状语从句： 主句用将来时，if引导的从句用一般现在时。 （主句和从句的位置可以互相换置）,虚拟语气的条件状语从句： 主句：主语+would+do+其它 从句：If+主语+done(were)+其它 （主句和从句的位置可以互相换置）,If I had lots of money , I would buy a big house.,I would buy a house ,If I were you.,What does he do?,He is a teacher.,Wha
2、t do they do?,Theyre students,If you are a student , you must study hard. Yes or no?,If you are a student , you must finish you homeworker on time. Yes or no?,情态动词： must, can, could, may, might.,情态动词+动词的原形 Eg: We must do our homework.,Unit 5,It must belong to Carla.,Section A,Guessing games,What doe
3、s she do?,She could/might be a/an_,She must be a teacher.,teacher,nurse.,What does he do?,He could/might be a _,He must be a doctor.,worker,famer,doctor,He is a doctor.,Grammar Focus,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.(情态动词+动词的原形) must, can, could, may, might.(肯定) cant, couldnt. (否定)
4、,must 一定，肯定（100%的可能性）,might, could 有可能，也许（20%80%的可能性）,cant 不可能，不会 （可能性几乎为零）,must,cant,could might,100% probably true,20%-80% possibly true,0 almost not true,mightcould be,Ann,must be,=belong to (sb.) 属于某人,be sb.s 是某人的,= It must belong to Ann,could/might be,John,cant be,Look and guess.,Who is she?,Sh
5、e cant be Guo Jingjing.,She might/could be Wang Nan.,She must be Zhang Yining.,?,Oh, yes. She is Zhang Yining.,cant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。,肖勇,Whose notebook is this?,Why?,Because his name is on the book.,It must belong to Xiao Yong.,=
6、It must be XiaoYongs.,Whose skirt is this?,Jane,Mike,It belong to Jane.,It belong to Mike.,Because she is the only woman here.,cant,must,Why?,Whose skirt is this?,Jane,Mike,Janes.,Miss Yangs.,Jane.,Miss Yang.,It cant,be Mikes.,belong to Mike.,Whose is this ?,It cant be sbs.,It must be sbs.,It could
7、/might be sbs.,belong to sb.,belong to sb.,belong to sb.,-Whose book is this ?,(=It must belong to Mary),Bush,-It_ be Marys. Because Hemingway is her favorite author,Pairwork:,must,Hemingway,：:作家，作者,-Whose football is this ?,-It couldmight be( couldmight blong to ) John and Tony s. They like playing
8、 football.,Jim,-Whose bike is this ?,-It couldmight blong be Jim. He rides his bike every morning.,1a: look at the picture and fill in the chart,cup,1b,Person Janes little brother Mary Carla Deng Wen Grace,Thing Volleyball Toy car Magazine Book CD,Reason Hemingway is her favorite author. She loves v
9、olleyball. He was the only little kid at the picnic. She always listens to classical music. He loves cats.,Listen and match each person with a thing and a reason.,1. Who is the man over there? Is it Mr Li? - NO, it _ be him. Mr Li is much taller. A.mustnt B. have to C.cant 2. Mary _ be in Paris. I s
10、aw her in town only a few minutes ago. A. mustnt B. should C. cant,Exercises,3. Peter _ come with us tonight, but he isnt very sure yet. A. must B can. C. might 4.I thought you _ like something to read, so I have brought you some books. A. cant B. couldnt C. must,C,C,C,C,1 The red bicycle_ be Hus.Sh
11、e has a blue bicycle. A cant B must he C might D could 2 She _ be very tired because she worked all the night. A can B must C need D mustnt 3 Whose is this watch? Is it Kates? Im not sure. It _ be hers. A may B cant C must D should,主干知识,4 Where is your English teacher She _ in her office. A must be
12、B might be C cant be D might 5 This pair of shoes _ be Lilys Its too big for him. A cant B could C might D must,主干知识,Fill in the blanks with must, cant, could or might.,Exercise,2c,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
13、John s or Tonys. They both play soccer,dont they? 4.The French book be Li Yings. Shes the only one whos studying French.,must/might,cant,might,must,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 ti
14、cket be my aunts or uncles. Theyre both going to the concert.,might/could,must,cant,might/could,情态动词must, might, could, cant 后接动词原形, 可以表示对现在的情况的推测.,Summary:,1.Words:,2.Sentence:,belong, belong to, author, hair band,- Whose book is this? - It must /could/might/cant be Marys. It must /could/might/cant
15、 belong to Mary.,3.,must表示非常肯定的猜测. 100%的可能性 might /could 表示有可能的猜测. 20%80%的可能性 cant 表示肯定不可能. 可能性几乎为零,Bye-bye!,Unit 5 It must belong to Carla.,Section B,T: How are the pictures?,Ss: They are scaring/scary.,Ss: Yes / No.,T: Are you scared of them?,aliens,Unit 5 It must belong to Carla.,Section B,T: How are the pictures?,Ss: They are scaring/scary.,Ss: Yes / No.,T: Are you scared of them?,aliens,UFO,The UFO is landing. It is coming down from the sky!,The terrible, ugly alien is ch
