When you ask for things, it is important to be polite. The
            intonation² that you use in making your request³ is as important as
            what you actually say. When you think someone will refuse your
            request, you can ask the question in such a way that the refusal⁴
            does not cause embarrassment⁵.

            1. A: Is there any chance of my borrowing your type-writer?
            B: For how long?
            A: Until the end of the week.
            B: Yes, I guess that would be all right.

            2. A: Would you mind if I borrowed your car?
            B: Well, when exactly?
            A: Until Monday or Tuesday of next week.
            B: I'm sorry, but it's just not possible.

            3. A: Do you think you could lend me some of your records?
            B: Until when?
            A: Oh, just over the holidays.
            B: I'm not sure. I'll have to think about it.

            4. A: I was wondering if you'd let me stay with you for a few days.
            B: It really depends on when.
            A: Until next weekend, if that's OK.
            B: Let me think it over, and I'll let you know later