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课件网) 人教九上英语同步精品课件 人教版九年级上册 Grammar Focus 2024秋人教九全英语精彩课堂精品课件 Unit 8 It must belong to Carla. Section A Grammar Focus-4c ● To learn must, might, could and can’t for making references Learning Objectives Revision 感到不安 玩得高兴；过得愉快 起初 走开；离开 不寻常的某些事 在社区里 1. feel uneasy 2. have fun 3. at first 4. go away 5. something unusual. 6. in the neighborhood Warm-up Guess what’s this I think it might be ... can be... must be... could be a cat a dog a bear Presentation Grammar Focus Whose volleyball is this It must be Carla’s. She loves volleyball. Whose hair band is this It could be Mei’s hair band. Or it might belong to Linda. They both have long hair. What did you see that night I’m not sure, but it can’t be a dog. It was bigger. I think it might be a bear or a wolf. Let’s read 2. —这是谁的发带？ — _____ ____ ____ is this —它可能是梅的发带。或者可能属于琳达。她们两人都是长头发。 —It _____ be Mei’s hair band. Or it _____ belong to Linda. They ____ have long hair. could might both Whose hair band 1. 这是谁的排球 _____ _____ is this 这一定是卡拉的。她热爱排球运动。 It _____ be _____. She loves volleyball. Whose volleyball must Carla’s must 一定，肯定。推测可能性100%,肯定的语气最强 could/might be 可能是/有一定的可能性，没把握 3. —那晚你看见了什么？ — _____ did you see that night —我不确定，但肯定不可能是狗。它更大。我想也许是一头熊或一匹狼。 — I’m ___ ____, but it _____ ___ a dog. It was bigger. I think it _____ ___ a bear or a wolf. What not sure can’t be might be can’t be 不可能是/在可能性几乎为零,否定的语气最强 表示推测的情态动词 情态动词must，can，could，may和might均可表示推测，它们后加动词原形，对现在的情况作出语气强弱不同的推测。 情态动词 用法 例句 must 表示很有把握的推测，意为“一定”，只用于肯定句。 The light is on. He must be at home. could, may和might 表示不太有把握的推测，意为“可能”。 The pen could / may/ might be Joe’s. I saw it in his pencil case just now. can’t 表示很有把握的否定推测，意为“不可能”。 The girl in red can’t be Helen. She has gone to America. Let’s summarize Match the words with their possibilities. 0% 100% 80% 20% completely true possibly true possibly true not true must could might can’t ＞ ＞ ＞ 情态动词用于表推断： 常用于表推断的情态动词有：must, could, might, can’t，其可能性依次递减 注意： can 表示推测通常不用于肯定句 may 表示推测通常不用于疑问句 must 表示推测通常不用于否定句和疑问句 can不肯，may不问，must 不否问 must，can，could，may和might+have +V.pp表示对过去发生事情的不同推测。 They are playing chess now. They must have finished their homework. 他们在下棋一定是完成作业了。 He may have known it already.他可能已知道了。 You might have caught a cold. 你也许感冒了。 Look！She must be running for exercise. must，can，could，may和might+be +V.ing 表示对正在发生事情的不同推测。 亨利可能是在做梦。 Henry could be dreaming. 4a 1. A: Where’s Jean B: I’m not sure. She _____ (is/ might be ... ...
