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?

来源:学生学帮网 编辑:学帮网 时间:2024/05/26 22:51:17

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.