现在进行时:am/is/are being+given
【例句】
The machine is being repaired in the workshop. The fifth generation computers, with artificial intelligence, are ____and perfected now. ( CET-4 1996,1)
A) developed B) have developed C) are being developed D) will have been developed
本句测试点是动词的时态和语态。develop和perfect是两个并列的谓语动词,perfect用的是被动形式,develop也应该用被动形式,而且句子的时间状语为now,故develop应用现在进行时的被动语态,答案为C。
过去进行时:was/were being+given
【例句】
The feast was being prepared when the birds arrived in the sky
现在完成时:has/have been+given
【例句】
Swift progress has also been made in culture and education.
过去完成时:had been+given
【例句】
The huge bridge had been damaged before the World WarⅡ.
将来完成时:will/shall have been+given
【例句】
The book will have been published by the end of next month.
【小升初英语被动语态的结构】相关文章:
★ 句子的结构
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