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has been 后面加什么

has been 后面加什么

have(has)+been+过去分词,构成完成时被动语态;have(has)+been+现在分词,用于表示动作从过去某一时间开始一直延续到现在或离现在不远的时间。

例句

He has been released from jail.

他已从监狱里放出来了。

The hole has been filled in.

洞已填平。

Fighting has been ferocious.

战斗一直很激烈。

He has been promoted to sergeant.

他已晋升为巡佐。

Progress has been painfully slow.

进度慢得令人焦急。