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1、Unit 8It must belong to Carla.,Section A （Grammar Focus4c）,语法聚焦,情态动词表推测 在初中英语中，表示推测的情态动词主要有：must，can/could，may/might。它们后面可接一般现在时或现在进行时的动词原形，表示对现在的动作、状态或正在进行的动作的推测。,注意：表推测时，could, might并不一定是can, may的过去式，有时只是语气分别比can, may更弱；can 一般用于疑问句或否定句中；may 用于肯定句或否定句中。 从时间的角度，有三个表猜测的常见句型（以must为例）：,如：Is this Jims f
2、ootball? 这是吉姆的足球吗？ Yes, it must be his. There is his name on it. 是的，一定是他的。上面有他的名字。 Whose earring is this? 这是谁的耳环？ It may/might/could be Alices. She wears earrings sometimes. 可能是爱丽丝的。她有的时候戴耳环。 Whose hat is this? Is it yours? 这是谁的帽子？是你的吗？,It cant be mine. Mines pink. 不可能是我的。我的是粉红色的。 Sam cant be sleepi
3、ng in the bedroom. I saw him go out. 萨姆不可能在卧室里睡觉。我看到他出去了。 He may go climbing the Alps next summer. 他明年夏天可能会去爬阿尔卑斯山。 I lost one of my gloves. I must have dropped it somewhere. 我弄丢了一只手套。我一定是把它掉在某个地方了。,课堂练习,一、用所给单词的适当形式填空 1. The strange noises at night made the people in that community feel （easy）last
4、month. 2. I have to say I had little fun （learn）in Mr. Blakes class. 3. This is not your watch. Its （Mary）. 4. A little boy saw something （fly）over his head just now. 5. I stayed up late last night, so I feel very (sleep）now.,uneasy,learning,Marys,flying,sleepy,二、单项填空 （ ）1. Harrys been driving all d
5、ay. He _ be tired.（2015杭州） A. need B. can C. shall D. must （ ）2. I think we need to sit down and have a talk. I _ agree more. Lets take the bench over there. （2015无锡） A. could B. couldnt C. should D. shouldnt,D,B,（ ）3. Must we take out the trash now? _. You can do it after class. A. Yes, you must B.
6、 No, you cant C. Yes, you may D. No, you neednt （ ）4. May I smoke here? No, you _. This is a no-smoking room. A. neednt B. Mustnt C. Couldnt D. Wouldnt （ ）5. Where are you going this month? We _ go to Xiamen, but were not sure. A. neednt B. Must C. might D. Mustnt,A,A,C,（ ）6. Excuse me, is this the
7、right way to Childrens Park? Sorry, Im not sure. But it _ be. A. might B. must C. need D. can （ ）7. Listen. Is that Millie playing the violin in the art room? No. It _ be her. She has gone to the teachers office. A. may not B. Mustnt C. neednt D. Cant （ ）8. It _ a girls room, because its very tidy.
8、A. cant be B. could be C. must be D. Mustnt be,A,D,B,（ ）9. Wheres Jean? Im not sure. She in the laboratory. A. might be B. must be C. Is D. be （ ）10. The book _ Carlas. Look! Her name is on it. A. must be B. cant be C. might be D. could be,A,A,（他也许在图书馆。）,Whose English book is this?,It might/could be
9、 Meis. She has long hair.,He might/could be in the library.,2. Whose hair band is this?,（可能是梅的，她有长头发。）,3. Wheres Jim? Im not sure.,1. 你想知道这本英语书是谁的，你应该怎么问？,三、根据实际情况和所提供的情景完成对话,4. I wonder if this is Jeans white coat? (它不可能是她的。） She doesnt like white. 5. The classroom is very clean. Someone （肯定有人打扫过。）,It cant be hers.,must have cleaned it.,
