I don't know what is the matter 如何区别疑问词作主语?

I don't know what is the matter 如何区别疑问词作主语? what is the matter with you主语是what还是the matter?I don't know后 宾语从句的语序问题I don't know what is the matter.有人说：因为what在从句中作主语,所 I don't know what is the matter I don't know what the matter with me is? I don't know what is the matter还是 what the matter is 宾语从句中,是I don't know what the matter is,还是I don't know what's I don't know what is the matter.为什么the matter在is的后面?为什么what是 I don't know what's the matter 还是 I don't know what the matt i don't know what's the matter I don't know what is the matter with him这里为什么不用陈述句句式 句型转换：What is the matter with you?I don't know .转换成：I don't k