改一般疑问句,像they,we这样的单词要都改为第二人称you吗?

这个要根据句子的语境来判断，怎么通顺或者怎么符合英语习惯怎么来

we 一般要改的。但是they 不用改

如果是直接引语和简介引语之间的转换，有时需要改变。比如
He asked his students whether they understood what he had said.
改为直接引语
He asked his srudents:"Do you understand what i said?"

一般疑问句？是改成 Who 呀

they不用改,
we通常改为you