If I were you ,I would go at once如果不分什么是主句 什么是从句那If I were you是虚拟状语吗

问题描述:

If I were you ,I would go at once如果不分什么是主句 什么是从句那If I were you是虚拟状语吗

if引导的条件状语从句,这种句型是反事实假设,就是不可能的假设.必须用虚拟语气.后面接主句