Our children are being done a disservice by not being expose

Our children are being done a disservice by not being expose you are not being eaten by a animal,请帮忙分析语法句子 being done 和done More pedestrians are being killed by cars.Car manufactures a A being compromised by B 英语翻译The research work is being done by a small group of dedi to being done 与 being done 区别 YOU ARE NOT BEING POLITE ``为什么要加BEING? being done 与am/is/are/being done 的这个被动语态有什么区别么 _____ this experiment is not difficult.A.Having done B.Being 关于being done being done的用法