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必修2《Learning about Language》新课标PPT课件优质课下载
The Olympic Games have been hosted successfully by China.
The clothes have been washed.
The door has been locked.
The vase has been broken.
一、意义：现在完成时的被动语态表示动作发生在过去, 到现在已经完成或对现在仍有影响, 其构成是:
have/has been + done。
现在完成时的被动语态
1.现在完成时被动语态肯定句句型：
主语+ have / has been +过去分词
Her motorbike has been stolen.
2.现在完成时被动语态否定句句型：
主语+ have/has +not+ been+过去分词
The task has not been finished yet.
Many skilled workers have not been trained in the company.
The present perfect passive voice(肯定句、否定句:
3.现在完成时被动语态一般疑问句句型：
Have/Has +主语 + been+ 过去分词 ...?
Has a new computer been bought ?
Have they been sent abroad to study English?
4.现在完成时被动 语态特殊疑问句句型：
疑问词+ have /has + 主语+ been+过去分词 ...?
Where has the car been repaired?
How many buildings have been built in this school?
The present perfect passive voice(疑问句）:
Workers have built the house since two