把这句话（英文）改成全部否定 改怎么改 He knew that the church had many secret rooms and that not all of them were safe.他知道这教堂里有许多秘密的房间,并不是所有的房间都安全.
问题描述：
把这句话（英文）改成全部否定 改怎么改
He knew that the church had many secret rooms and that not all of them were safe.
他知道这教堂里有许多秘密的房间,并不是所有的房间都安全.
答
楼主要否定哪部分呢？
答
He knewthe church didnt have many seret rooms that all of them were safe.
答
He knew that the church had many secret rooms and that none of them was safe.
答
He didnt know the church didnt have many secret rooms and that all of them were safe.