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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.What do th
2、ey do?Theyre studentsIf 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 5Unit 5It must belong to Carla.It must belong to Carla.Section ASection
3、AGuessing gamesWhat does 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.workerfamer doctorHe 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) can
4、t, couldnt. (否定)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）mustmustcantcould might100%100% probably trueprobably true20%-80%20%-80% possibly truepossibly true0 0almost not truealmost not trueWhose football is it?It Jims.He loves playing football.mightcould beWhose backpa
5、ck is it?It Anns. It has her name on it.Annmust be=belong to (sb.) 属于某人be sb.s 是某人的= It must belong to AnnWhose violin is it?It Zhang Fans. she plays the violin.could/might beJohnNo, it isnt. It ( ) Johns. Its too small for him.Is this T-shirt Johns?cant beLook and guess.Who is she?She cant be Guo J
6、ingjing.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. = It must be XiaoYongs
7、.Whose skirt is this?JaneMikeIt belong to Jane.It belong to Mike.Because she is the only woman here.cantmustWhy?Whose skirt is this?JaneMikeMiss YangMiss YangIt could beIt might belong toJanes.Miss Yangs.Jane.Miss Yang.It cant be Mikes.belong to Mike.Whose is this ?It cant be sbs.It must be sbs.It c
8、ould /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 authorPairwork:John Tony mustHemingway：:作家，作者 John Tony -Whose football is this ?-It couldmight be( couldmight blong to ) John and Tony s. They
9、 like playing 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 chartCloth- ingFun thingsKitchen thingshatvolleyballplateT- shirt jacketToy carmagazineCDbookcuppicnic ：piknik (自带食物的) 郊游野餐1b1bPersonJanes little brothe
10、rMary CarlaDeng WenGraceThingVolleyballToy carMagazineBookCDReasonHemingway is her favorite author.She loves volleyball.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
11、 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 saw her in town only a few minutes ago.A. mustnt B. should C. cant 3. Peter _ come with us tonight, but he isnt very sure yet.A. must B can. C. might4.I thought you _ like something to read, so I h
12、ave brought you some books.A. cant B. couldnt C. mustC C C C 1 The red bicycle_ be Hus.She has a 1 The red bicycle_ be Hus.She has a blue bicycleblue bicycle. A cant B must he C might D couldA cant B must he C might D could 2 She _ be very tired because she worked 2 She _ be very tired because she w
13、orked all the night.all the night. A can B must C need D mustntA can B must C need D mustnt 3 Whose is this watch? Is it Kates?3 Whose is this watch? Is it Kates?- -Im not sure. It _ be hers.Im not sure. It _ be hers. A may B cant C must D shouldA may B cant C must D should4 Where is your English te
14、acher4 Where is your English teacher- -She _ in her office.She _ in her office. A must be B might be C cant be D A must be B might be C cant be D mightmight 5 This pair of shoes _ be Lilys 5 This pair of shoes _ be Lilys Its too big for him.Its too big for him. A cant B could C might D mustA cant B could C might D mustFill in the blanks with must, cant, could or might.2c2c1.The notebook be Mings. It was on her desk.2.The homework be Carols. She wasnt at school today.3.The soccer ball be John s or Tonys. They both play soccer,dont they? 4.The French book be Li Yings. Shes
