人教版九年级Unit 8 It must belong to Carla.-Section A Grammar focus 4a—4c-教案、教学设计-市级公开课-(配套课件编号：e0b13).doc

1、Unit8 It must belong to Carla SectionA(Grammar Focus4c)教学设计 一、教学目标：教学目标： 1. 语言知识目标：语言知识目标： 1) 学习掌握下列词汇：laboratory, coat, sleepy, pocket 及重点句式： What did you see that night? I think it might be a bear or a wolf. She was thinking of taking a shower. 2）进行一步复习巩固学习 SectionA 部分所学的生词和词组。 3）掌握情态动词的用法和物体所属的句型

2、。 2.2. 情感态度价值观目标：情感态度价值观目标： 面对身边暂时不可解释的现象，根据已有证据进行合理推测。不信谣，不传谣。 二、教学重难点教学重难点 1. 教学重点： 1) 复习巩固 SectionA 部分所学的生词和词组，达到熟练运用的目标。 2) 总结情态动词的用法。 2. 教学难点： 1) 学习运用情态动词的用法。 2) 掌握物体所属的句型。 三、教学过程三、教学过程 . Revision. Review some main phrases we learned in the last class. Lead-inLead-in- LookLook andand guess.gues

3、s. There are four pictures in the PPT, ask students to guess who is she/he or whom it belongs to. （设计意图：提供四张图片，通过学生们熟悉的人物引导学生关注，逐步揭开图 片的真实容，让学生在猜测内容和人物的同时运用到情态动词，引出情态动词的 用法。） FillFill inin thethe blankblanks. 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

4、 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 Meis 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。 Im _ _, but it _ _a dog. It was bigger. I think it _ _ a bear or a wolf. Try to Find 情态动词表推测，可能性：must can/could may/might

5、一、must 表示可能性最大的肯定推测，意思是“一定、准是”。只能用于肯定句。如果要 表示“一定不”，应该用 cant。如果询问可能性时，应该用 can。 e.g. He must know the answers. 他肯定知道答案。 He cant know the answers. 他肯定不知道答案 Can he know the answer?他知道答案吗？ 二、can/could can 表示推测“可能性”时，一般用于否定句或疑问句。can 在疑问句中意思是 “会，可能”。 could 可用于表示客气、礼貌、委婉的请求语气。 e.g. He can t pick her schoolb

6、ag up. 他不可能拿了她的书包。 could 用于表示某事有可能发生或可能是事实。 三、may/might may, might 表示推测“可能性”时，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。may, might 表推测时，可用于否定句，但 不用于疑问句。 e.g. He may/ might not be at home, but Im not sure. 他可能不在家，不过我也不确定。 （设计意图：详细讲述情态动词表可能的用法，通过大于号把它们的可能性大小 进行相连，学生理解起来更直观更容易；并在讲解每个动词的同事配有相应的例 句，帮助学生理解它

7、的使用语境。） Exercises Choose the correct answer. 1. Excuse me. Is this the right way to the Summer Palace? Sorry, I am not sure. It _ be. A. mightB. willC. mustD. can 2. Isnt that Anns husband over there? No, it _ be himIm sure he doesnt wear glasses. A. cantB. must notC. wontD. may not 3. You _ be tire

8、dyouve only been working for an hour. A. must notB. wontC. cantD. may not 4. Is John coming by train? He should, but he _ not. He likes driving his car. A. mustB. canC. needD. may （设计意图：进一步巩固学生对情态动词表可能用法的理解，通过常考题型进行 训练，感受这部分内容在考试中的体现方式。） . Practice Work on 4a. Choose the best way to complete each se

9、ntence using the words in brackets. 1. 让学生们理解句子意思。 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. 3.A: Thats the phone. B: Hmm. I wonder who it _ (must be

10、 / could be / should be). 4.A: I wonder if there 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. （设计意图：学生独立完成练习，教师引导学生关注推断依据，同时注意了解 学

11、生个体学习情况，并可视学情进行进一步拓展，利用五个小题中的首句，引导 学生运用情态动词进行各种合理推断，巩固、落实情态动词表推测的不同用法。） 2. 根据句意选择正确的情态动词。 3. Check the answers with the Ss. Keys: might be, must be, could be, cant be, must be Work on 4b. Complete these responses. 1. Tell Ss to understand the sentences. 1.A: Many people are wearing coats. B: The wea

12、ther 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 cant _. 2. Let Ss write down possible answers as much as possible. 3. Let Ss check their answers with their p

13、artners. 4. Check the answers together. Keys: cold, sick/ ill, must be delicious, be interesting/ attractive Group Work 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 cou

14、ld 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. A：It could/ might/ cant be.because. B：I guess so/ I dont think so. But it might/ could/ must be .because . （设计意图：学生以小组为单位就房间主人的性别进行讨论，教师要求每个学生 的每个推断后都有适当的推测依据，期间，教师可以在黑板上书

15、写以下句子作为 引导：It could be a girls room because/ It could be a boys room because根据依 据学生分组编对话在全班展示，教师同时给其他学生设计一些任务，促进人人关 注，人人参与。） Summary 1 Make inferences with Modal Verbs. 2 The usage of“must”, “might”, “could” and “cant”. Homework 1 Recite the sentences in Grammar Focus. 2 Read the passage in 3a. 3 Do the exercises in students book. 板书设计：板书设计： Unit8 It must belong to Carla SectionA(Grammar Focus4c) 情态动词表推测情态动词表推测可能性可能性: mustcan/could may/ might 否定：否定：can not ( cant) could not (couldnt)may not / might not It could be a girls room because/ It could be a boys room because