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人教2003课标版《Learning about Language》精品教案优质课下载
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.
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?
把下列句子变为被动句：例如：
Workers have built the house since two years ago.
The house has been built by workers since two years ago.
1. We have received many letters since last week.
2. My friend has bought a new personal computer.
3. The shop has repaired my computer very quickly.
二、注意:
1. 副词的位置
often, usually, always, never, hardly, seldom等副词置于have/has和been中间。如:
[误] Such a man has been hardly believed.