Ann returned the book to the library yesterday.改为一般疑问句后return要加s吗?

Ann returned the book to the library yesterday.改为一般疑问句后return要加s吗?

Did Ann return the book to the library yesterday?
不需要哦~因为does do did这类助动词后面都用原型哦~这里是过去所以用did

Did Ann return the book to the library yesterday?

不用加s。

不要。应该把returned还原为动词原形return.
其一般疑问句为：Did Ann return the book to the library yesterday? (此时的过去式由did替代了）

不用。
Ann returned the book to the library yesterday.
一般疑问句：Did Ann return the book to the library yesterday? 格式：Did+原形

Did Ann return the book to the library yesterday?过去式没s的，