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Leonardo da Vinci is said to have bought birds……

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:2024/05/20 08:29:28
Leonardo da Vinci is said to have bought birds……
为什么用过去完成时啊 直接is said to bought不行吗?
只有be said to do 和be said to have done两种.不定式哪有to done 的结构.