来自陈尧生的问题
Sheknewthevelvetdresswasbeingruined中为什么要加being而不是Sheknewthevelvetdresswasruined
Sheknewthevelvetdresswasbeingruined中为什么要加being
而不是Sheknewthevelvetdresswasruined


Sheknewthevelvetdresswasbeingruined中为什么要加being而不是Sheknewthevelvetdresswasruined
Sheknewthevelvetdresswasbeingruined中为什么要加being
而不是Sheknewthevelvetdresswasruined
wasbeingruined这是过去进行时被动语态,表示的动作和主句的动作同时发生.
wasruined是一般过去时被动语态,只表示过去的动作.用在此处不是很恰当.
句意:她知道那件丝绒礼服正遭到损毁.