1、Unit 8 It must belong to CarlaSection A (Grammar Focus4c)教案【教学目标】 1. 语言知识目标：1) 学习掌握下列词汇：laboratory, coat, sleepy, pocket 2）进行一步复习巩固学习Section A 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. 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。 【教学重难点】1. 教学重点：1) 复习巩固Section A 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)
2、学习运用情态动词的用法。2) 掌握物体所属的句型。【教学过程】【课堂导入】Step 1 Revision 1.By playing games, lead in how to make inferences.2.Play games Game 1 Making guesses 1)It might be 3 birds. It also could be a beautiful face2)It could be a white vase. It also might be two facesGame 2 Making guesses A: Here are some earrings. Th
3、e owner cant be a boy. B: Well, it could be a boy. The earrings might be a present for his mother.C: It also could be a girl, the rose might be a gift from her boyfriend.D: Look at the dictionary, I think the owner may be learning Chinese now.【课堂活动】Step 2 Grammar Focus1.Ask different students to rea
4、d the sentences. Write them on the blackboard.2.Ask a student to go to the front to circle the model verbs.3.Ask students to find the usage of the model verbs.情态动词表示推测的意义和用法小结句式情态动词含义用法肯定句must一定表示有把握的肯定推测。may/ might/ could也许；可能表示没有把握的肯定推测。否定句cant/ couldnt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肯定
5、推测。疑问句can/ could可能表示推测。情态动词表示推测的意义和用法 He must be very happy when he heard the news. He may be in his office but Im not sure. That man cant be your teacher. Hes much taller. It may not be right, but thats what I think. Can the news be true? No, it cant be true. l （1）情态动词表示推测时，无时态区别，只有语气差别。表示推测的情态动词的语
6、气强弱顺序（由强到弱）： must can could may might （2）含有must的句子（must表推测）变为否定句时，要用cant。 He must be at home. He cant be at home.（1）情态动词+动词原形：表示对现在事情的推测。 This book must be Jims because his name is on it.（2）情态动词+be+动词-ing：表示对正在发生的事情的推测。 My mother might be cooking in the kitchen. （3）情态动词+ have +动词的过去分词：表示对过去情况的推测。 Th
7、e ground is wet. It must have rained last night.Step 3 Exercise (4a)1.Learn new word and phrase：laboratory，in the laboratory。2.Make students understand the meaning of questions, then finish 4a.3.Check the answers.Step 4 Exercise (4b)1.Learn new words：coat，sleepy。2.Make students understand the meanin
8、g of questions in 4b, then finish it.Step 5 Pair Work (4c)Point out the sample conversation in the box. Invite a pair of students to read it to the class.Get students to work in pairs. As the pairs work together, walk around the classroom offering help as needed.Ask several pairs to act out their co
9、nversations to the class.Finish the exercise in 4c.Step 6 ExercisesChoose the correct answer.1. Excuse me. Is this the right way to the Summer Palace? Sorry, I am not sure. It _ be.A. might B. will C. must D. can2. Isnt that Anns husband over there? No, it _ be himIm sure he doesnt wear glasses.A. c
10、ant B. must not C. wont D. may not3. You _ be tiredyouve only been working for an hour. A. must not B. wont C. cant D. may not4. Is John coming by train?He should, but he _ not. He likes driving his car. A. must B. can C. need D. mayStep 7 Summary【课堂小结】1.We have further learnt the key words and phrases in this section. through communication and expression, 2. We can understand and use the modal verbs “must, may, could and cant ” to make inferences.3. We are able to use modal verbs and related sentence patterns to make reasonable inferences about things.【课堂训练】 PPT
