这么说吧: 只谈及物动词。先看主动语态: John drives a car every day. 约翰每天开着一辆车。 Jane reads a book. 珍妮读书(每天或经常) I beat him yesterday. 我昨天把他打了。 把这三句话变成被动语态。 A car is driven by John. 注意 by 的用法。 A book is read by Jane. He was beaten yesterday (by me) 他昨天被打了。(被动语态中,有时省略 by 谁这部分,告诉你结果:他被打了,而故意隐瞒责任人,即被谁打的)