谁能帮我举举过去完成时的被动语态,
问题描述：
谁能帮我举举过去完成时的被动语态,
答
nothing had been stolen since the police arrived that hotel.
答
The letter had already been sent to Mike.信已经寄给Mike了
“be+动词的过去分词”构成被动语态
被动语态的过去完成时只需要将be动词变成had been就可以了。所以你只要任意写出一个被动句，然后把be动词改成had been就OK了。
同样，变成其他时态也是只要变化be动词就可以了。
答
The car had been driven away this morning.
那辆车今天早上已经被开走了.