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1、英语（选择性必修第一册）Book 1 Unit 1 Food mattersGrammar and usageTo-infinitives as subjects and predicativesI. Learning objectivesBy the end of this section, students will be able to:1. identify the use of to-infinitives as subjects and predicatives;2. work out the rules of to-infinitives used as subjects and
2、 predicatives;3. distinguish and use the right form of to-infinitives to finish tasks of rewriting sentences and completing a magazine article;4. apply to-infinitives in new situations.II. Key competence focus & Predicted area of difficulty1. To distinguish and use the right form of to-infinitives t
3、o finish tasks;2. To apply to-infinitives in new situations.III.Teaching procedures Step 1 Lead-in (Individual Work)1. The teacher has students read the blog entry on Page 6 and complete a mind map. 2. The teacher has students complete the table of Part A on Page 6.设计意图 通过阅读，引导学生了解“外出吃饭和在家做饭”这个语篇的脉络
4、框架，并在此基础上观察文中动词不定式的使用情况。Step 2 Exploring the rules （Individual Work、Pair Work）1. The teacher guides students to work out the rules on Page 6.2. The teacher guides students to work in pairs to identify what to-infinitives function as in the following sentences from the blog entry.3. The teacher has s
5、tudents to go through some sentences and gives necessary explanations.设计意图 引导学生自主归纳、总结动词不定式作主语和表语的核心规则，并判断动词不定式作其他成分的可能性。Step 3 Applying the rules (Individual Work)1. The teacher has students finish B1 on Page 7.Rewrite the following sentences using to-infinitives according to the requirements in th
6、e brackets.2. The teacher has students finish B2 on Page 7.Below is a lifestyle magazine article. Complete the article with the correct forms of the verbs in the brackets.3. The teacher has students finish B3 on Page 7.Imagine your friend has taken you out to dinner at Sky Buffet. Write a thank-you
7、note to your friend, offering to return the favour by inviting him or her to your home for dinner next weekend. Remember to use to-infinitives.设计意图 首先，通过改写句子的练习，让学生巩固所学、内化新知；然后，引导学生在主题为“旋转餐厅”的语篇中完成一个非谓语动词的综合练习；最后，要求学生正确使用动词不定式完成一封感谢信的写作任务，达到学以致用的目的。Step 4 Homework1. Review what is learned today.2. Finish Part C on Page 58 in the workbook.第 2 页 共 2 页
