Mr.Whate showed her students some old maps ____ from the library.为什么要填borrowed,而不是to borrow说清原因,辨析一下此句中to borrow和borrowed的区别,最好能举个例子

Mr.Whate showed her students some old maps ____ from the library.为什么要填borrowed,而不是to borrow说清原因,辨析一下此句中to borrow和borrowed的区别,最好能举个例子
Mr.Whate showed her students some old maps ____ from the library.为什么要填borrowed,而不是to borrow
说清原因,辨析一下此句中to borrow和borrowed的区别,最好能举个例子

Mr.Whate showed her students some old maps ____ from the library.为什么要填borrowed,而不是to borrow说清原因,辨析一下此句中to borrow和borrowed的区别,最好能举个例子
那些被从图书馆借出去的旧地图
borrowed表被动,省略了which were
to borrow 表示要发生的动作,完全没有被动的意思

which are borrowed from 的简单形式，因为这些地图是”被从图书馆借来的“，所以用被动形式，to borrow表示”将要，“