现在完成时被动语态导学案

Book2 Unit 3 Computer Grammar
目标表现
Teaching aims：
1.现在完成时被动语态的结构
2. 现在完成时被动语态的主要用法
3．使用现在完成时的被动语态需要注意的问题
课中探究
现在完成时态被动语态专项
一．用被动语态改写以下句子。

1.They have not finished the construction of the new railway lines by now.
————————————————————————————————2. We have built a new library and a gymnasium in our school this year.
————————————————————————————————3. The car factory has produced a great many fine cars since the technological revolution.
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4. They have made a plan to help the poor children in the poor area.
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5. The government has spent a lot of money on the Hope Project.
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二．改错
1.Great changes have been taken place in my hometown.
2. Many measures (措施) have taken.
3.Citizens have been request not to throw rubbish and litter everywhere.
4.The number of cars have been limited to reduce our pollution.
5.More and more people has sensed the importance of the environment protection.
6.People have became responsible for building a beautiful home
三．将所给单词的适当形式填空
I used to live in a small town with trees around. There were no tall buildings and the streets were narrow. But in recent years, great changes (take place) in my hometown.
Tall buildings (build) everywhere as well as shopping centers.Also some factories (set up) to improve economies.Roads (widen).In order to keep the city clean and tidy, many measures (take).
Citizens (request) not to throw rubbish and litter everywhere. Therefore, more dustbins (place)on the streets. More and more trees and flowers (plant) on the hills and either side of the roads.
In addition,the number of cars (limit) to reduce our pollution. More and more people (sense) the importance of the environment protection and (become) responsible for building a beautiful hometown in a few years.
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