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课件网) Section A (Grammar Focus-4c) Unit 8 It must belong to Carla. 课时教学目标 语言能力: （1）能够掌握课时词汇和重要短语； ( 2 )能够用 must, might, could 和 can’t 表达不同程度的推测。 思维品质: 能够在学习过程中积极思考，主动探究，提升归纳、总结的能力和创新性思维。 文化意识： 能够判断语境，培养在不同语言环境中语言表达的确定性意识。 学习能力: 能够通过总结、共同研究，掌握情态动词表推断的用法。 Make inferences Lead-in She _____ be happy. She _____ meet some trouble. must can’t Grammar Focus Circle the modal verbs 情态动词表示推测 Grammar Focus 情态动词对现在情况的推测 1.概念：情态动词must，can，could，may和might均可表 示推测，可以对过去、现在或将来的情况作出语气强 弱不同的推测。 2.语气强弱: must ＞ can ＞ could ＞ may ＞ might 3.结构：情态动词+do/be/ be doing（表示对现在情况的推测） 4.句式: Grammar Focus 情态动词对现在情况的推测 4.句式: 句式 情态动词 意义 用法 肯定句 must 一定；肯定 表示有把握的肯定推测 may/might/could 可能 表示不太有把握的肯定推测 否定句 can’t/couldn’t 不可能 表示有把握的否定推测 may not/might not 可能不 表示不太有把握的否定推测 疑问句 can/could 可能 表示推测 Grammar Focus 情态动词针对练 1.—Listen! Someone is singing in the next room. It must be Jane. —It be Jane. She has gone to Shanghai. A.can’t B.mustn’t C.may D.should 2. You go and ask Xiaoming. He get the answer. A.can;may B.need;should C.may;need D. must;could 3. This ID card be Susan’s. Her name is on it. A.might B.could C.must D.can’t Grammar Focus 情态动词针对练 4. —What do you think the word “glad” means —I’m not sure. It mean “happy”. A.must B.can C.might D.can’t 5.—Excuse me. Is there a post office near here —Sorry, I don’t know. Ask that policeman. He know. A.shall B.may C.need D.would 4a Choose the best way to complete each sentence using the words in brackets. 1. A: Where’s Jean B: I’m 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 / can’t be / could be) hot outdoors. might be must be 4a Choose the best way to complete each sentence using the words in brackets. 3. A: That’s the phone. B: Hmm. I wonder who it _____ (must be / could be / should be). 4. A: I wonder if these are Jim’s glasses. B: They _____ (can’t be / might be / could be) his. He doesn’t wear glasses. 5. A: I hear water running in the bathroom. B: It _____ (could be / must be / can’t be) Carla. She was thinking of taking a shower. could be can’t be could be/must be hear sb./sth. doing sth.听见某人/ 某物正在做某事 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 _____. 3. A: This restaurant is always very crowded. B: The food _____. 4. A: Whenever I try to read this book, I feel sleepy. B: It can’t _____. having a sore throat/ ill getting colder/ cold outside must be delicious be that boring have/has been doing... 一直在做 ... ...
