have been 和have done 都是现在完成时
have been 表示状态,非被动语态（a great number of accidents 和successful是一种状态)
have done 表示动作（won five prizes是一个发生在过去并对现在造成影响的动作）
并且说成Up till now he has been won five prizes就变成了被动语态,而他不是被赢的,不能用被动语态.
been 就是be的过去分词（has+动词过去分词）
He has never been abroad before也是表示一种状态.