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Section A (1a-1c) Lead in Who has the following things? Guessing CDs toy cars hat glasses watch truck [trʌk ] n. 卡车; 货车 picnic [pɪknɪk] n. 野餐 rabbit [ræbɪt] n. 兔; 野兔 pink [pɪŋk ] 粉红的;粉色 valuable [‘væljuəbl] 贵 重的;很有用的;宝贵的 truck rabbit pink valuable picnic Presentation 表示推测的情态动词 在英语中，表示对某事物的确定程度， 即表示推测的时候，我们通常会用到以下情态动词： must, might, could, can’t must 100% probably true 一定 could might 20%～80% possibly true 可能 can’t 0 almost not true 不可能 He can’t be _______. Wang Baoqiang Cheng Long He must be _______. Can you guess what it is? It could be_______________. a white vase two faces It also might be__________. Can you guess what it is? a dog It could be ________. two girls It also might be ___________. Can you guess what it is? It could be __________. Three birds It also might be a beautiful face ______________. Whose dog is this? It must be Liu Dehua’s. his It must belong to Liu Dehua. him He is a basketball player. Whose car is this? It might / could be __. It can’t be _________. It must be_________. Yao Ming’s It must belong to Yao Ming/ him. -Whose exercise book is this ? -It______ must be Liu Xiang’s. It must belong to Liu Xiang. Liu xiang (属于) -Whose red bicycle is this ? Bush can’t belong to Bush. -It_______ his bike is white and blue. Because___________________ 1a Look at the picture. Write the things you see in the correct columns in the chart. 1a Look at the picture.Write the things you see in the correct columns in the chart. Clothing Fun things Kitchen things hat volleyball plate T-shirt book cup sweater magazine CD toy car 1b Listen and match each person with a thing and a reason. Person Thing Reason Jane’s little brother volleyball J.K. Rowling is her favorite writer. Mary toy truck She loves volleyball. Carla magazine He was the only little kid at the picnic. Deng Wen book She always listens to pop music. 1c PAIRWORK Practice the conversation in the picture above. Then make conversations using the information in 1b. A: Whose book is this? B: It must be Mary’s. J.K. Rowling is her favorite writer. Practice Ⅰ.单项选择 1. I didn’t hear the phone. I ___ asleep. A. must be B. must have been C. should be D. should have been 2. Mary ____ be in Paris. I saw her in town only a few minutes ago. A. mustn’t B. shouldn’t C. can’t D. may not 3. Peter ____ come with us tonight, but he isn’t very sure yet. A. must B. may C. can D. will 4. I thought you ____ like something to read, so I have brought you some books. A. may B. might C. could D. must summary 1.must be +sb.’s 意为“一定是某人的” must belong to sb.意为“一定属于某人” The book must be Mary’s. =The book must belong to Mary. 2.favorite, like, love e.g. I like Jeremy Lin best.=I love Jeremy Lin . favorite basketball star is Jeremy Lin . =My ________ 3.表示猜测的常用表达方式有： (1)must be “肯定是……” , 表示把握较大的推测。 (2)may/might/could be “可能/或许是” , 把握不大。 (3)can’t be “肯定不是……” , 把握性很大的否定。 Homework 1.Learn new words and phrases by heart. 2.Make sentences about inference with “must, might, could, may, can’t ”.