Which way should I go?

问题描述:

Which way should I go?
Which way I should go?
哪个才是正确的?或者两个意思不同?

如果单就给出的句子,上一句正确.
但是下一句常常可以做从句,在句子里面做宾语等,比如I DON'T KNOW WHICH WAY I SHOULD GO.