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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 5Unit 5 It must belong to Carla.It must belong to Carla. Sec
3、tion ASection A Guessing games What 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 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, co
4、uld, may, might.(肯定) cant, 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） mustmust cant could might 100%100% probably trueprobably true 20%-80%20%-80% possibly truepossibly true 0 0 almost not truealmost not true Whose football is it? It Jims.He loves playin
5、g football. mightcould be Whose backpack is it? It Anns. It has her name on it. Ann must be =belong to (sb.) 属于某人 be sb.s 是某人的 = It must belong to Ann Whose violin is it? It Zhang Fans. she plays the violin. could/might be John No, it isnt. It ( ) Johns. Its too small for him. Is this T-shirt Johns?
6、 cant be Look and guess. Who is she? She 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
7、 on the book. It must belong to Xiao Yong. = 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 Miss YangMiss Yang It could be It might belong to Janes. Miss Yangs. Jane. Miss Ya
8、ng. It cant be Mikes. belong to Mike. Whose is this ? It cant be sbs. It must be sbs. It could /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: John Tony must Hemingway ：:作家
9、，作者 John Tony -Whose football is this ? -It couldmight be( couldmight blong to ) John and Tony s. They 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 chart Cloth- ing Fun things Kitchen things hat
10、volleyballplate T- shirt jacket Toy car magazine CD book cup picnic ：piknik (自带食物的) 郊游野餐 1b1b Person Janes little brother Mary Carla Deng Wen Grace Thing Volleyball Toy car Magazine Book CD Reason Hemingway is her favorite author. She loves volleyball. He was the only little kid at the picnic. She a
11、lways 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 saw her in town only a few minutes ago. A. mustnt B. should
12、 C. cant 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.She has a 1 The red bicycle_ be Hus.She has a blue bicycleblue bicycle
13、. 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 worked 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 K
14、ates? - - 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 should 4 Where is your English teacher4 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 mightm
15、ight 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 must Fill in the blanks with must, cant, could or might. 2c2c 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 John s or Tonys. T
