(
课件网) 人教新目标九年级上册 Section A Grammar Focus—4c 语法课公开课 1.学习掌握下列词汇：laboratory, coat, sleepy, pocket。 2. 运用本单元所学习的must，could，might，can情态动词，表达对事物的推测。同时灵活运用不同的情态动词进行推测，进一步提高口语表达的准确性。 Whose…is this It \must\might\could\can’t be… laboratory outdoors coat sleepy n. 实验室 adv. 在户外；在野外 n. 外套；上衣 adj. 困倦的；瞌睡的 Revision Listen and repeat Revision Can you guess what it is It must be _____. It also might\could be _____. a cat a bear\dog It could be _____. It also might be _____. three birds a beautiful face It must be _____. It also could\might be _____. a young girl an old woman Revision Can you guess what it is It could be _____. It also might be _____. a white vase two faces 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. Read the sentences and translate them. Grammar Focus 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. 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. 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. Whose volleyball must Carla’s Fill in the blanks according to grammar focus. Practice Whose hair band could might both What not sure can’t be might be 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. Grammar Focus 探究语法规律 What did you find out 探究一：情态动词表示推测的用法 情态动词can, could , may, might, must, can’t 都可以用来表示说话人对某事的推测。 2.结构：情态动词+动词原形（此时动词原形通常为 be）。 1.must表示肯定推测，意思是“一定、准是”。只能用于肯定句。 He must know the answers. 他一定知道答案。 2. can表示否定推测，can’t意为“不可能”， 用于否定句。can在疑问句中意思是“可能” 。 He can’t pick her schoolbag up. 他不可能拿了她的书包。 Can he know the answer 他知道答案吗？ could 表示某事有可能发生或可能是事实。 Don’t eat it. It could go bad. 不要吃它，可能坏了。 探究一：情态动词表示推测的用法 Grammar Focus 3.may, might 表示推测把握性不大的推测，意思是“可能，也许”。might不表示过去时态，语气更委婉，可能性更小。 He may / might not be at home, but I'm not sure. 他可能不在家，不过我也不确定。 （1）情态动词表示推测时，无 ... ...
