XXX is being done的用法

问题描述:

XXX is being done的用法

现在进行时的被动语态
比如:Money is being collected to build primary school.

正在被...
被动语态进行时

being done 是被动的进行时,意思是正在被做
例,The car is being mended.
having been done表示该动作先于主句谓语动词.