the man who i served was wearing a hat里的served was wearing是什么语法.动词+过去进行时.什么用法?

问题描述:

the man who i served was wearing a hat里的served was wearing是什么语法.动词+过去进行时.什么用法?
这句是新东方1里面的.肯定语法没有问题.但是served was wearing总是觉得别扭.当然我说的不是这句的意思.而是动词+过去进行时是什么格式.什么时候可以这么用

这个真的是你理解错了.who定语从句,主干是the man was wearing a hat.who i served 修饰the man.