Unit 4 Natural Disasters Discovering Useful Structures示范课教案【英语人教版必修第一册】.docx

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1、Unit 4 Natural DisastersPeriod 3Discovering Useful Structures 教学设计教材分析该板块的活动主题为“描述自然灾害的图片(Describe pictures of disasters)。要求学生 掌握定语从句，目标结构是that、which who whom whose引导的限制性定语从句，并 能够将这些定语从句用于对具体事物的描述，以提升自己的语言表达和运用能力。教学目标1 .能正确理解使用下列词汇：volcano, erupt, supply, typhoon, hurricane, surviveo2 .复习that which

2、who(whom)引导的定语从句。3 .学习并掌握用whose引导的定语从句。4 .能够运用关系代词引导的定语从句描述事物的具体信息。教学重难点【教学重点】引导学生理解定语从句对丰富句子内容和描述事物特征、补充信息的功能。【教学难点】引导学生运用定语从句补充信息，丰富自己的语言表达。教学过程Step X Warming-upRead the lyrics of the song Thats why you go away, and underline all the relative clauses.Love is one big illusion I should try to forget

3、But there is something left in my headYou are the one who set it upNow you are the one to make it stopIm the one who is feeling lost right now. 设计意图：该环节用英文歌曲引入定于从句，激发学生学习兴趣的同时可初步检测学生在课 前对于该语法结构的掌握情况。Step 2 Observing1. Work on Activity 1. Students find and underline the restrictive relative clauses i

4、n the followingsentences.2. Students translate the sentences into Chinese. Think about which noun is modified by the relative clause and the function of the restrictive relative clauses.3. Students find more sentences with restrictive relative clauses from the text on page 50.设计意图：该环节让学生通过观察例句，发现句子中

5、的目标语法结构，通过英汉翻译练习 进一步感知定语从句在语言表达中所起到的作用。Step 3 Grammar summary who is for people (not things) which is for things (not people) that is for things or people whose is mostly for people设计意图：总结定语从句关系代词的用法，帮助学生更好地掌握这一语法现象。Step 4 Practice1. Work on Activity 2. Students complete the sentences with that, whi

6、ch, who, whose, whom, or Then translate the sentences into Chinese.2. Students work in pairs on Exercise 2 of the workbook page 90. Use a restrictive relative clause to combine each pair of sentences. Then check the answers.3. Work in pairs on Activity 3. Take turns to ask each other about the pictures. Make sentences with restrictive relative clauses using that, which, who, whose, or whom.设计意图：该环节让学生通过观察例句，发现句子中的目标语法结构，通过英汉翻译练习 进一步感知定语从句在语言表达中所起到的作用。Step 5 AssignmentFinish Exercise 3-4 on Page 91.设计意图：强化巩固定语从句的用法。