have been dead和have been died哪个对

have been dead和have been died哪个对 have died have been dead dead die died have been dead 有啥区 什么时候用have died 什么时候用have been dead 怎样区分have been died 和have dead?为什么前者不对? died和has been dead have dead和have been dead是一个意思吗? because i have been died. 动词时态问题,动词是die,为什么句中用have died,不是have been dead sb have been training sb have been trained 哪个对? where have you been 和where have you been to 哪个对?有什么不同? i have been to Shanghai?和i have been Shanghai?哪个对?请详解.