1. Can I ask a favour?
2. Can you help me?
3. May I ask a favour of you?
4. Would you do me a favour?
肯定答语：Yes, all right. / OK. / Certainly. / With pleasure.
否定答语：Sorry, I can’t. / Centainly not. / Sure not. / I’m afraid I can’t. / sorry, but I never lend it to anyone.
试比较： I lend him a pen, that is, he borrows a pen from me.
borrow…from… e.g. I borrowed a camera from my father yesterday?
