when did he bear与when was he born为什么不能说成when was he born,有什么区别,为什么was是过去式,还能加过去分词

when did he bear与when was he born为什么不能说成when was he born,有什么区别,为什么was是过去式,还能加过去分词
when did he bear与when was he born
为什么不能说成when was he born,有什么区别,为什么was是过去式,还能加过去分词

when did he bear与when was he born为什么不能说成when was he born,有什么区别,为什么was是过去式,还能加过去分词
when was he born是正确的,这里是用过去式的被动语态来表达的
was+born(bear的过去分词）