when he went to the doctor that day he could not have known what was about to happen to him 具体分when的用法,
问题描述：
when he went to the doctor that day he could not have known what was about to happen to him 具体分
when的用法,
答
嗯,虚拟语气环境下的时间状语从句,因为这里是when,所以从句时态和一般状况一样,但主句时态变化了,如果是if引导的,从句时态也要变化.可翻译为：
他本不知道将发生什么事在他身上,当去看医生时