can you tell me what's the matter with him 为什么从句不是陈述句

问题描述:

can you tell me what's the matter with him 为什么从句不是陈述句

是陈述句.
what 是从句中的主语,做从句的语序永远这样.what the matter with him is不行吗?另请举个疑问句的例子