It is now being sent to his home by train.这句话里为什么要加being?能不能去掉呢?

问题描述:

It is now being sent to his home by train.这句话里为什么要加being?能不能去掉呢?

这个是现在进行时的被动语态.看下面的结构:
be doing——be being done,