初中英语必考句型详解-188：ask one's permission的句型
【经典必背】
Don't enter others' room without permission. 未经允许不得进入别人的房间。
【课文原句】
I'd tell him to ask my permission before he borrows something next time. 我会叫他下次在借我的东西之前应先征得我的同意。
What would you do if your brother borrowed your clothes without permission? 如果你的兄弟未经你的允许借了你的衣服你将怎么办？
You should ask for permission before entering someone's room. 在你进入某人的房间之前你应该先征得同意。
【基础知识】
ask one's permission意为“请求许可”，permission的固定搭配；ask for permission请求许可；with one's permission在某人许可的情况下；without permission未经允许。
He made his decision with his parents' permission. 在父母的同意下，他做出了决定。
You could leave the school with the teacher's permission. 征得老师的同意之后，你可以离开学校。
【牛刀小试】
1. It's polite to borrow others' things _____ their permission.
A. for
B. to
C. with
D. of
2. Don't choose your clothes by yourself _____ parents' permission. You are still children.
A. for
B. without
C. with
D. of
3. You must go out on school night _____ your headteacher's permission.
A. at
B. for
C. without
D. with