怎么能看出这句话是虚拟呢

怎么能看出这句话是虚拟呢 请问,I wish I had never met you.这句话的I能否省掉呢I wish I had never met you.怎么看出是虚拟语气 It is desired that she ___her plan.A.carried out B.can carry out C.has carried out D.carry out 怎么看出这句话是虚拟语气? 什么是虚拟语气,怎么判断这句话是不是虚拟? 请问这句话是不是虚拟语气呢?Obviously,it is high time that we took some effective measures to solve it.是省略should的虚拟语气吗?可是 took 怎么不用原型呢? but for 中对过去虚拟的用法该如何理解?比如But for his help ,i couldn't have made such big progress要不是他的帮助,我不会取得如此大的进步!这句话当中怎么能理解是对过去虚拟的呢?实在理解不了 it was announced that only when the fire was under control .to return to their homes怎么能看出是个虚拟啊, 我知道这句话是虚拟语气,但为什么were后面用to built 呢 It is absolutely essential that 怎么看出是虚拟语气啊 从海关编码能看出是否是危险品吗,如果可以的话,怎么看呢. 给一个图怎么能看出是主动运输还是离子通道呢? 我能从vt图像上看出物体是匀速还是匀变速,但是怎么能看出物体是在做直线运动呢? 请问上涨看不出,下跌才能看出一个股票好坏这句话是怎么解释 请问上涨看不出,下跌才能看出一个股票好坏这句话是怎么解释. It seemed that the world was at an end .这句话是虚拟语气吗?如果是虚拟语气，怎么was不用were？ 宇宙是个无限的概念,怎么能解释无限呢?是不是宇宙只是一个虚拟的数字建模程序? 真实条件从句和虚拟条件从句的一句话~if you don't hurry up,you'll miss the bus.这句话怎么没有倒退时态呢?it is so cold ,as if it would snow.同样是表示将来要发生的动作,为什么这句话就虚拟语气了呢?我 he would gain weight but he doesn't eat much这句话是怎样使用虚拟语气的呢 It is important that we ____wild animals .这个怎么看出的是虚拟语气,哪个是标志