It suddenly occurred to one of the workers to open the box.

问题描述:

It suddenly occurred to one of the workers to open the box.
这句中的occurred是被动语态吗?为什么没有be动词?occurred to具体又是怎么用啊?

occur无被动语态,这里是过去式 ( 双写r 哦,孩只)
 

It occur to sb.that 或 to do        意为某人突然想起某事