Unit3 Discover useful structures（教案）-高中英语人教版（2019）选择性必修第二册

1、Food and Culture:Lesson 4 Discovering Useful Structures 教学设计主题语境：饮食与文化目标结构：had beendone授课时长：1课时一.内容分析本单元学习的语法知识是过去完成时的被动语态其基本构成是had been done。过去完成时表示在过去某一时间或事件之前完成的动作，其主动语 态和被动语态表达的内容相同但两个语态的句子的主语不同所要谈论的对象 也不同，因而要根据语言环境和表达需要选择合适的语态教师可以在学生熟 练掌握过去完成时被动语态的形式和意义的基础上，引导他们恰当使用过去完 成时主动语态和被动语态来建构有意义的语篇。二、学情

2、分析本课面向高中学生中的中等水平。预测他们对饮食与文化的话题比拟熟 悉，也很感兴趣。经过前几课的学习，对于饮食与文化有了一些认识。学生学 习过现在完成时的被动语态，也接触过过去完成时，可能对过去完成时的主动 语态掌握得比拟好，但对被动语态不熟悉。三、教学目标在本课学习结束时，学生能够：.发现过去完成时的被动语态的形式和意义；.通过练习掌握过去完成时的被动语态的功能；.正确运用过去完成时谈论日常生活。四、教学重点：引导学生在语言交际中理解并恰当运用过去完成时的被动语态。五、教学难点：学生理解过去完成时的被动语态的意义以及如何在语境中正确使用 现在完成时的被动语态可能会是一个难点。六、教学资源：课

3、本，多媒体电脑，白板，黑板，粉笔七、教学步骤:StepActivitiesPurposeLearningChiectiveqTeacher introduces the learning chiectiveq of this nerindTo have students get to know the chiecfiveq nf this: nerindLeading inTeacher shows pictures and sentences for students to fill in thec n 7 cTo activate students knowledge of past pe

4、rfect tense.Past perfect tense-definitionTeacher analyzes what past perfect tense is to students with aTo draw students9 attention to the definition of the tense.Past perfect tense-structureTeacher guides students to transform the negative sentence and the general question of the To lead students to

5、 focus on the sentence pattern change and the structure of them.Past perfect tense-usageTeacher guides students to conclude the different usages ofC f C A C C X T Cc C C C CTo lead students to know about the usage of past perfect tense.Past perfect passive voiceTeacher asks students to compare two d

6、ifferent versions of a sentence (active and passive voice)Teacher leads students to conclude the structure of pastTo let students know the difference between the active and passive voice.To impress students with the comparison between the structure of active and passive voice.PracticeTeacher asks st

7、udents to find out relevant sentences from this unit; fill in the blanks; work in pairs to make up sentences in different situations; work in groups toTo give students practice to better master the usage of past perfect tense and past perfect passive voice.HomeworkTeacher asks the students to use the past perfect passive to ta