why后面加什么人称代词

　　Why can't you ever see my point of view?

　　你怎么老不明白我的'观点呢？

　　I know you did it ─ I just want to know why.

　　我知道这是你干的，我只是想知道为什么。

　　Why don't we go and see it together?

　　咱们为什么不一起去看看呢？

　　It's not for me to say why he left.

　　不适宜由我说出他离开的原因。

　　Why should I want to make you feel bad?

　　我干吗要让你难过呢？