being done前面要加 is was 吗

being done前面要加 is was 吗 human being前面要加the吗 am/is/are+being+done这个结构中为什么要being+done? XXX is being done的用法 is done,was done的被动语态是?is being done,was being done,has been done,had been done,will be done的被动语态是? All this is being done in the name ofsecurity这里being done是什么用法 being done 与am/is/are/being done 的这个被动语态有什么区别么 Whatever is worth _A__ at all is worth ___ well.A.doing,being done B.doing,doing C.being done,doing D.being done,being,being done.请高手为我翻译下这句话,在讲解下为什么要选A呢?我将感激不尽! being done和done用法的疑问Being examed twice a year is a basic rule.这句用being done为什么不能用done? 现在进行时的被动语态的构成我知道是am,is,are加being done,但是为什么加being呢?这个being的由来是什么呢?我急需一个理论试的概念! what is being done to the clavichord?翻译哈 what he has done is worth being spoken highly of is done和is being done 有什么区别,不都是被动吗 is Sally at school?is 前面要加什么? 为什么要加being? _____ this experiment is not difficult.A.Having done B.Being done C.To do D.Done All this is being done in the name ofsecurity这里being是什么用法 being done放句首造句