倒装句：so/neither的倒装

　　eg: He can swim. So can I.

　　She 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

　　助动词：

　　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