宾语从句都是陈述语序
若是一般疑问句,用wether或if后面加陈述语序
例 will you go to the library?
he asked me whether I will go to the library.
若是特殊疑问句 用特殊疑问词后加陈述语序
例 why didn't you go to the library?
he asked me why I didn't go to the library.he asks what happened to her这句呢这句本身就是宾语从句的陈述啊。原句是He asks “What happened to you?” 改为宾语从句就是 he asks what happened to herWhat happened to you句子本身就是陈述语序