九年级英语全册Unit8ItmustbelongtocarlaSectionA（GrammarFocus-4c）

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,九年级英语全册Unit8ItmustbelongtocarlaSectionA（GrammarFocus-4c）,It,could,be,_.,It also,might,be,_.,Can you guess what it is?,three birds,a beautiful face,课前预习,Can you guess what it is?,It,could,be _.,It also,might,be _.,a white vase,two faces,课前预习,It,could,be _.,It also,might,be,_.,Can you guess what it is?,a dog,two girls,课前预习,Could A be bigger than B?,In fact, A and B,must,be _.,Which one is bigger, A or B?,A,B,the same size,No.,课前预习,Whose volleyball is this?,It must be Carlas. She loves volleyball.,Whose hair band is this?,It could be Meis hair band. Or it might belong to Linda. They both have long hair.,What did you see that night?,Im not sure, but it cant be a dog. It was bigger. I think it might be a bear or a wolf.,Grammar Focus,grammar,Use “,must,” to show that you think something is,probably true.,Use “,might,” or “,could,” to show that you think something is,possibly true.,Use “,cant,” to show that you are,almost sure something is not true.,Grammar Focus,表示推测的情态动词有,must, may, could, might, can,。,(1) must,表示说话人对事物的推测可能性的程度非常大，意为“一定；准是”；,表示有把握的否定推测时用,cant，,意为“不可能”。如：,1. I cant find my keys. I,must,have left,them at home.,2. - Is she Mary?,- That,cant,be her. Shes in hospital.,Grammar Focus,(2) can,表示“可能”，常用于否定句、疑问句中,。,could,为,can,的过去式，表示推测的语气较,can,弱。如：,-,Can,the man there be our math teacher?,- He may be, but I am not sure.,Grammar Focus,(3) may,意为“也许”。,might,为,may,的过去式，表示说话人对现在或将来不太确定的可能性的推测。,如：,Li Ming,might,get here in time, but I am not sure.,Grammar Focus,意思,推测程度,must,一定，肯定,100%的可能性,may,might,/could,有可能，,也许,20%-80%的可能性,cant,不可能，,不会,可能性几乎为零,1., Whos singing in the next room?, It _ be her. She has gone to New York.,A. cant B. must,C. shouldnt D. can,【解析】考查情态动词表推测。表示否定推测时，用,cant,，意为“一定不”。,must,表示推测时，意为“一定”，用于肯定句；根据答语“她已经去了纽约”可知是否定推测，故选,A,。,例题解析,A,2. Whose T-shirt is this?,It _ be John s. Its _ small for him.,A. cant; much too,B. cant; too much,C. mustnt; much too,D. mustnt; too much,【解析】情态动词的用法。根据句意“它不可能是约翰的，对他来说太小了。”故排除,C、D，too much,为“太多”的意思，,much too,为“太”。故选,A,。,例题解析,3. Where are you going this month?, We_ go to Xiamen, but were not sure.,A. neednt B. must,C. might D. mustnt,【解析】 neednt (不必)表建议； must (一定)表猜测的可能性很大； might (可能，也许)表不是很肯定的猜测。 mustnt(不允许)表命令。句意：-这个月你们将去哪？-我们或许去厦门，但还不确定。,C,例题解析,4. - Have you decided where to go for your summer vacation?,- Not yet. We _ go to Qingdao. Its a good place for vacation.,A. may B. need C. must,【解析】句意：- 你已经决定到哪里过暑假了吗？- 还没有呢，我们也许去青岛，那是个度假的好地方。情态动词表示推测时，may表“可能”，must表“一定”，cant表“不可能”。,A,例题解析,1. A: Wheres Jean?,B: Im not sure. She _ (is / might be / must be) in the laboratory.,2. A: Everyone is going to the pool after school.,B: Really? It _ (must be / cant be / could be) hot outdoors.,4a,Choose the best way to complete each sentence using the words in the brackets.,might be,must be,Practice,3. A: Thats the phone.,B: Hmm. I wonder who it _ (must be / could be / should be).,4. A: I wonder if these are Jims glasses.,B: They _ (cant be / might be / could be) his. He doesnt wear glasses.,5. A: I hear water running in the bathroom.,B: It _ (could be / must be / cant be) Carla. She was thinking of taking a shower.,could be,cant be,must be,Practice,4b,Complete these responses,1. A: Many people are wearing coats.,B: The weather must be_ .,2. A: Sally has been coughing a lot.,B: She might be_ .,A: This restaurant is always crowed.,B: The food _ .,A: Whenever I try to read this book, I feel sleepy.,B: It cant _.,be interesting,cold,ill,must be delicious,Practice,4c,Look at this picture of a room. How much can you tell about the person who lives here? Is it a boy or a girl? What are his/her hobbies? Discuss your ideas with a partner.,A: It could be a girls room because its very tidy.,B: I guess so. But it might be a boys room,because the clothes look like boys clothes.,Practice,The End,谢谢您的聆听！,期待您的指正！,