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人教2003课标版《Learning about Language》新课标PPT课件优质课下载
Learning aims：
1. Review the Present Perfect Tense
2. Learn the Present Perfect Passive Voice
Important and difficult points：
The usage of the Present Perfect Passive Voice(现在完成时被动语态的用法)
阅读感悟(一)
1.We have invited many teachers to attend the class.
2. Mary has been in China since 2009.
3.They haven’t cleaned the room for weeks.
4.Have you given up smoking ?
5. What have you done by now?
什么是现在完成时?
1.概念：现在完成时表示过去发生的动作对现在的影响或者从过去开始一直持续到现在的动作或状态。
2.构成:主语+have/has+ P.P
主语+have/has not+ P.P
Have /has +主语 +P.P
1.Many buildings have been built in our school.
2.Computers have been used in offices and homes since the1970s.
3.The task has not been finished yet.
4.Has your homework been finished?
5.Where has the car been repaired?
阅读感悟(二)
交流展示
The present perfect passive voice
结构：