I what to know what the matter is.这句话语法对吗?

I what to know what the matter is.这句话语法对吗?
I what to know what the matter is.这句话语法对吗?

I what to know what the matter is.这句话语法对吗?
不对
I want to know what is the matter.

I want to know what the matter is

对！

恩

对的
what the matter is是从句，从句要用陈述语句！！