so did he 和 so he did 的区别是什么啊,so has he 和 so he has

so did he 表示他也是,说明他也是同一种情况.而so he did 表示他的确如此,说明对他行为的肯定.试比较：
She is a clever girl.
So did he.（他也是个聪明的男孩）
He is a clever boy.
So he did.（他的确是个聪明的男孩）
so has he 与 so he has 用法一致