“What did your boss say to him?”中did可不可以去掉、say为什么不用said 如题.
问题描述：
“What did your boss say to him?”中did可不可以去掉、say为什么不用said
如题.
答
did为助动词do的过去式,已经表示这是过去发生过的,所以say用原型