the building is said()last monthto be pulled down;to have been pulled down;being pulled down;having been pulled down应该选哪个?我觉得应该选完成时的被动语态,可这里有两个完成时的被动语态,应该选那个?求讲解,这两

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the building is said()last monthto be pulled down;to have been pulled down;being pulled down;having been pulled down应该选哪个?我觉得应该选完成时的被动语态,可这里有两个完成时的被动语态,应该选那个?求讲解,这两
the building is said()last month
to be pulled down;to have been pulled down;being pulled down;having been pulled down应该选哪个?我觉得应该选完成时的被动语态,可这里有两个完成时的被动语态,应该选那个?求讲解,这两个完成时的被动语态有什么用法区别?求讲解

the building is said()last monthto be pulled down;to have been pulled down;being pulled down;having been pulled down应该选哪个?我觉得应该选完成时的被动语态,可这里有两个完成时的被动语态,应该选那个?求讲解,这两
the building is said(to have been pulled down)last month.

be said to do,据说.

be said that.据说.吗,根据以上两点,只能选择带有不定式的答案,只有前两项.

last month,说明事情发生在过去.而to be pulled down表示将来要发生.to have been pulled down表示发生在谓语动词is 前,发生在过去.所以答案应该是to have been pulled down

the building is said (finished) last month
the building is said (completed) last month

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