英语语法分析：so/neither的倒装

so/neither的倒装eg.
He can swim. So can I.
I didn’t go to class. Neither did I.
结构：
so/neither+be+ 主语
so/neither+助动词+ 主语
so/neither+情态动词+ 主语
一般现在时, do, does/am, is, are
现在进行时, am, is, are
一般过去时, did
现在完成时, have, has
一般将来时, will, shall,
过去进行时，was, were
过去完成时，had
过去将来时, would