having done 、done、 being done、 having being done 的区别与详细用法

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having done 、done、 being done、 having being done 的区别与详细用法
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having done 、done、 being done、 having being done 的区别与详细用法
having done 、done、 being done、 having being done 的区别与详细用法

having done 、done、 being done、 having being done 的区别与详细用法
1.being done:被动语态,意思是:正在被做(被完成)
2.done:是过去分词,表示“完成+被动”
3.being done:表示与所修饰名词或主语为被动关系,而且动作真在进行,在句中可以作定语和状语.如:The building being built will be our classroom.
4.having been done:现在完成时,意思是:已经被完成.只能在句中作状语,表示动作发生在谓语动词动作之前,而且与主语为被动关系.
(好就请采纳.)