新人教版高中英语必修2Unit 2 Wildlife Protection-Discovering Useful Structure教案一 （内容全面）

Step 1: Read the sentences and sum up the meanings of the Present Continuous Passive Voice.1. Do you know any other endangered wildlife in China that is not being protected?2. We’re being killed for the wool beneath our stomachs.3. Is their fur being used to make sweaters for people like you?4. What good things are being done here to save local wildlife?肯定式：be being doneShe is being treated in China now.否定式：be not being doneMy computer is being repaired now.我的电脑正在修理中。一般疑问式：Am/Is /Are+主语+ being + done…e.g.: Are these books being sent to Beijing？Is the wall being painted？特殊疑问式:When How Where Why What （Am/Is /Are+主语+ being + done…）Step II：When do we use the Present Progressive Passive Voice?①表示说话时正在进行的被动动作.(now, at the moment)Actions are being taken to realize Chinese dream.②示现阶段正在进行的被动动作. (说话时不一定在进行)The problem of food safety is being studied by scientists at present.③表示一种习惯的被动行为(always, constantly ),带有赞扬、羡慕、讨厌等感情色彩。Children of our neighbors are always being praised by our parents.④与某些情态动词连用表示对正在发生的动作进行推测。As a result of staying up late talking last night, Jimmy may be being scolded by his head teacher.Step III. 难点。1.像take care of, look after, talk about, think of等动词与介词构成的短语用于现在进行时的被动语态时, 其中的介词不可省略。