十六种时态的被动语态和主动语态 英语动词语态：九种时态的被动语态

英语动词语态：九种时态的被动语态  

为了便于理解，请看以下几个例子：,We are given a lot of homework to do. ,我们有很多作业要做。,They were given a warm send-off. ,他们受到热烈的欢送。,I think we are being followed. ,我想有人在跟踪我们。,They told me that the case was being investigated. ,他们告诉我案子正在调查。,The documents for which they were searching have been recovered. ,他们找寻的文件已找到了。,He asked if Mary had been sent to hospital. ,他问玛丽是否已被送进医院。,Check carefully, so any mistakes will be caught. ,仔细检查一遍，把所有错误都找出来。,He knew he would be punished for it. ,他知道他会为此受到惩罚。