关于被动语态的问题a truck is running over a bag,变成被动语态,答案写的是a bag is
关于被动语态的问题 a truck is running over a bag,变成被动语态,答案写的是a bag is being run over by a truck,为什么不是a bag is running over by a truck 上面说错了,为什么不是a bag being run over by a truck?
现在进行时的被动语态是am/is /are +being done. a bag is running over by a truck.是不对.的 a bag being run over by a truck就不说句子了. 如果是being run over by a truck,那就是非谓语动词,做后置定语.
现在进行时态的被动语态的结构是:be being +动词的过去分词 ( run 的过去分词是:run) 所以答案是:A bag is being run over by a truck. ********************************************************************* 祝学习进步!如果不明白,请再问;如果对你有所帮...
a truck is running over a bag 一辆货车正碾过一个袋子 a truck ran over a bag 一辆货车刚碾过一个袋子 a bag is ran over 一个袋子被碾了 a bag is run over by a truck 一个袋子被一辆货车碾了 a bag is being run over ...