it's time drastic action was taken这是虚拟语气,省略了thatit's time drastic that action was takenit is time .that 是 典型的虚拟语句结构.句子中的be taken 要与事实时态相反,所以用was【It is time to take...第三行应该是it is time drastic action that was taken吧是，我写错了，不好意思