oh,it is raining so hard that we have to stay indoors.怎么知道we have to stay indoors是状语从句?

问题描述:

oh,it is raining so hard that we have to stay indoors.怎么知道we have to stay indoors是状语从句?

Oh,it is raining so hard that we have to stay indoors.
天,雨下的太大了以致于我们必须呆在屋里了.
so.that .太.以致于,
这个that 引导的是结果状语从句.