for a moment she just stood there,unable to believe what had just happened.

问题描述:

for a moment she just stood there,unable to believe what had just happened.
to believe what had just happened在句中做什么成分

状语to believe what had just happened和unable 有关系吗?有关系It is unable to believe what had just happened在逻辑上有主谓关系那么这句话是省略了it is ?这是一种修辞方法,也不能说是省去了it is 只能理解为是用英语如何解释它