so I did ,与so did I的区别

Question

如题所述

Answer 1

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。

Answer 2

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。

Answer 3

so i did ,的确如此，
so did i ,我也是，

Answer 4

so I did 是‘确实是这样’
so did I 是‘我也是这样’