如果是简单句的话,就是Who the hell are you?是个问句!要是复合句的话就不是了!如果是你以为你是谁,那就是who the hell you are了!因为复合句的话,这句要改成陈述的语气,所以就是you are了!
是Who the hell are you?放句子中是 I want to know who the hell are you.
不是疑问句的话就是you are ,问句的话就是are you?