表示邀请的有：
Would you like to go for a walk?
May I invite you to dinner?
What about having a swim?
等等。
肯定回答有：
Thank you.
Yes, I'd love to.
That would be nice.
等等。
否定回答有：
No, thanks.
I'd love to, but I'm afraid I have no time.
It's very nice of you, but my mother is ill.
I'm sorry I can't. What about another time?
等等。
表示请求允许的有：
May I come in?
Could I use your phone?
I wonder if I could use your phone.
Do you mind if I use your phone?
等等。
表示同意，可说：
Go ahead, please.
Please do.
Yes, please.
Sure.
Certainly.
That's all right.
Of course, you can. 等。
不同意，可说：
I'm sorry, it's not allowed.
I'm afraid not.
You'd better not.
I'm sorry, but you can…
等等。
