neither do I so do I so I do的区别

当前面既有肯定又有否定
或两个谓语时用so it is/was with
也可以用so it is the same with
He likes apples and he doesn't go to school by bus.
So it is with her
而so do I 这一类是前面是肯定的情况也适用于另一主语
They go to school by bus.
So do we.
否定用neither do i
she doesn't go there,neither do i
当表示的确如此用 so i do /am/can
--He is a student.
---so he is