I met one of my old friends when (walk) in the street this afternoon
问题描述:
I met one of my old friends when (walk) in the street this afternoon
括号里该是填walk还是walking?
一般when引导的时间状语从句,从句部分是用什么时态呢?
答
walking
这是【从属连词+ 分词】结构作时间状语
没有固定的时态模式
请在客户端右上角评价点“满意”即可,