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必修2《Learning about Language》最新教案优质课下载
Important and difficult points：
The usage of the Present Perfect Passive Voice
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： 2.构成:
阅读感悟(二)
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?
当堂检测(一)
Change the following sentences into the present perfect passive voice
1. My friend has bought a new car.
2. The shop has repaired my computer very quickly.
当堂检测（二）
1. The dirty clothes_________________. (wash)
2. The plan___________________ (study) by the experts for three times.
3. This book _______________(read) many times.
4. Great changes have__________ (take place) in China since 1978.
5. A notice ________________(put up) on the wall.