I don't know that I am right or wrong这么说对么?

I don't know that I am right or wrong
这么说对么?

I don't know whether I am right or not.
你那样说也可以.不过有些中国式英语的感觉.

我不知道自己是对还是错！

是I don't know I am right or not.

I don't know whether I'm right or not.

不对。。
I don't know whether i am right or wrong