It seemed that you had read the book.=You ____ ____ ____ ____the book.

问题描述:

It seemed that you had read the book.=You ____ ____ ____ ____the book.

seemed to have read谢谢,请问have不是助动词吗,seem不是动词吗,为啥have不放在seem前?这是系动词seemed 接不定式的完成式作表语, 所以to have+过去分词 在后