I don't know what‘s wrong做宾语从句时,语序是否不变?

I don't know what‘s wrong做宾语从句时,语序是否不变?
I don't know what‘s wrong做宾语从句时,语序是否不变?

I don't know what‘s wrong做宾语从句时,语序是否不变?
没错,what is wrong或 what is the matter做宾语从句时,语序不变.

相信我
不变

当然不变因为：what是主语
主语做疑问时，语序不变。