you'd better ask your teacher about it youself.翻译是:你最好自己去问你的老师.而yourself 是代词,为什么放到最后面去了.有什么作用

问题描述:

you'd better ask your teacher about it youself.
翻译是:你最好自己去问你的老师.而yourself 是代词,为什么放到最后面去了.有什么作用

其实是
you'd better ask your teacher about it(by)youself.
已经省略by
作方式状语.