so I did ,与so did I的区别

so I did ,与so did I的区别
so I did ,与so did I的区别

so I did ,与so did I的区别
so I did对前面的情况表示肯定
so did I 表示前面所说的情况也适合于我.
如
You worked very hard.你很努力学习.
So I did.是的,我很努力学习.
He worked very hard, so did I .他很努力学习,我也是.

so i did ,的确如此，
so did i ,我也是，

So I did是：所以我做了……的意思，不是固定用法。
so did I 表示：我也是。

so I did 是‘确实是这样’
so did I 是‘我也是这样’