BE BEING DOING/BE BEING DONE/HAVE BEEN DONE哪个是进行时的被动语态啊求详解

be worthy of doing 还是 be worthy of being done be worth doing等于be worth to being done吗 be being done 与 be doing的区别 有没有 be worth being down be worthy of doing be worthy of being down? be+doing being done 和 be doing ;done ；doing ; be done ;to be done 的用法 请详细点 谢谢 英语 区分 doing to和 be doing,being done 和 to be being done .请帮我区分一下 doing to和 be doing,being done 和 to be being done . be+busy+doing=be+( )+( 存在have been doing、have being doing、和have be doing吗? 可不可以用be doing,when be doing? Be being misunderstand by 英语 现在进行时是主动是be+doing 被动是be+being+done 请问be怎么变化?英语 现在进行时是主动是be+doing 被动是be+being+done 请问be怎么变化? BE BEING DOING/BE BEING DONE/HAVE BEEN DONE哪个是进行时的被动语态啊求详解 be difficult doing英语翻译 be doing表示将来 there be +sb+doing be doing sth.when there be sb doing