having done 用法?

having done 用法 having done的用法 having done 、done、 being done、 having being done 的区别与详细用法 关于非谓语having done 的用法 to be done 和having been done的用法 非谓语动词用法to have done/having done/to have been done/having bee 帮我具体讲下having done 的用法 动词+to have/having been done 是什么用法? Having been done ,done,having done to have done,to be done,to have been done,having done在用法上有什么 have done与having done 在用法上有什么具体的区别,如何使用 having been done 与 have been done 的区别和用法?求大神帮助