I said I don't know有这个说法吗

I said I don't know有这个说法吗 Don't you know what I said?-( ) 英语翻译We don't know what's wrong,I said I don't heartache,But I don‘t know I don't know I don't know. That teacher say she don't know what i said what i said =___ I don't know what you said还是don't改didn't? “i don't know you know i don't know I know you don't like me有语法错误吗? 这个句子是否有错误:what am i want ,i don't know. I don't know what he said中said是过去式还是过分