英语高手救命
问题描述：
英语高手救命
主动改被动的.
They are to return these books by the end of next week.
怎么改?
These books are to returned by the end of next week.
这这样的吗?
还有个
They have cooked this chicken very deliciously.
改成This chicken have been cooked very deliciously by them.
They 要改成 them吗?
为什么呢?
答
They are to return these books by the end of next week.
这样改：
These books are to be returned by them by the end of next week.
还有个
They have cooked this chicken very deliciously.
This chicken have been cooked very deliciously by them.
they 是主语,在by 后面要用宾语them