for what可以引导主语从句、宾语从句、原因状语从句。for作连词引导原因状语从句，for是引导词，其中“sth”由what引导的主语从句来充当。例如：For what is seen is temporary，but what is unseen is eternal.

for what双语例句

1、Are you still working for what's her face?

你还在为那个叫什么的女人干活？

2、I'm open to suggestions for what you would like to do in our classes.

我很乐意听听你们对课堂活动的建议。

3、She has not shown any real regret for what she did.

她对自己做过的事还没有表现出真正后悔的样子。

4、Afterwards she was sorry for what she'd said.

后来她后悔说了那些话。

5、I could only feel pity for what they were enduring.

对他们所受的苦难我唯有同情而已。