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has been后面加什么词性

has been后面加什么词性

have been可以接现在完成时,还可以接正在进行时,或者接现在完成时的被动语态

例句

The original manuscript has been lost.

原稿已经遗失。

He has been late on numerous occasions.

他已经迟到过无数次了。

A peaceable settlement has been reached.

已经实现和解。

The gene for asthma has been identified.

哮喘病的基因已被识别。

Since 1977 otter hunting has been illegal.

捕猎水獭1977年以后就被列为非法了。

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