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学习过程:
一、Preparation 由旧知引出新知,通过温习一般现在时的被动语态知一般过去时的被动语态,实现从一般现在时的被动语态到一般过去时的被动语态的转换。
Step 1 He speaks English.--- English is spoken by him.
She speaks Chinese.--- Chinese is spoken by her.
主动语态: 主语 + 动词 + 宾语
被动语态: 主语 + be + 过去分词 + by + 宾语
Step 2 把下列主动语态的句子变成被动语态的句子:
People speak English around the world.
The monkeys eat bananas.
Water washes away the earth.
They make bikes.
一般现在时的被动语态:is/are+pp
The worker cut down the trees yesterday.
I made this model plane.
Mr.Wang punished him.
The cat ate the fish.
观察两组句子的不同,一般过去时的被动语态:was/were+pp
Step 3 Let the Ss read the examples in 2 and find the differences between Example One and Example Two.
这个部分分成两步骤来完成。第一,帮助学生区分be made of和be made from的用法。be made of 由某种物质做成(看得出原材料,物理过程) be made from 由某种物质制成(看不出原材料,化学过程)
第二,如何运用介词。 (if the action is done by the object itself, there is no need to use a preposition, and if not , then a preposition is needed .)
Let the Ss make up similar dialogs in pairs. (4个小对话,找四组同学)
二、Presentation (在听读的过程中进一步感知一般过去时的被动语态)
Step 1 Let the Ss listen to 1a and do 1b.(先审题,猜测答案,不看对话,带着问题去听。对答案,跟着录音读一遍)
Step 2 Let the Ss read the questions in 1c, and then read 1a and find the answers to the questions.(先审题,看动画,读对话,找四位同学回答问题)
Step 3 Let the Ss read 1a again and underline the passive voice and the key points.(再读1a, 找出含有被动语态的句子及知识点)
三、Practice (总结本课所学,做题巩固)
Step 1 Let the Ss go over this section and sum up the key points(复习本课的单词、短语和知识点)
Step 2 Do Exercises(选择题形式)
Step 3 Homework
Recite 1a;