我不知道我该做什么 翻译

I don't know what I should do

宾语从句用陈述语序。

I don't know what I should do

前者 i don't know what should I do.
是个陈述语气 不用问号！

I don't know what I should do
I don't know what to do

I don't know what I should do.
口语的话I don't know what to do. 就可以了

第二种是对的！从句用正常语序！不用疑问语句！