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he was told by a smiling policeman that his bicycle had been

来源:学生作业帮 编辑:拍题作业网作业帮 分类:英语作业 时间:2024/04/27 20:49:58
he was told by a smiling policeman that his bicycle had been found 中的had been found用了什么语法?
如果是过去完成时 为什么要加been
过去完成时..因为发生在警察告诉他前(警察告诉他was told 这里是过去时)..所以是过去的过去 ..用过去完成时..自行车是被找到的..是被动态..所以要加Been咯.