affirmative and negative answers(1)

[YOSHITAKEHORI]

Could anyone tell me about followings?
(1) May I smoke here?
(a) As affirmative answers to the above sentence, the following
words are correct?
-Go ahead.
-Sure.
-Yes, of course.
-Yes, certainly.
-No problem.
-By all means.
-Why not?
-Yes, you may
(b) As negative answers, the following are correct?
-No, I'm sorry.
-No, you may not.
-I'm afraid you can't.
-I'm afraid not.
-I guess not.
-Absolutely not.
-Certainly not.
(2) Can you drive me home?
(a) As affirmative answers to this senence, the followings are
correct?
-Sure.
-Yes, of course.
-Certainly.
-Why not?
-Yes, I can.
-I'd be happy to.
-I'd be glad to.
-No peoblem.
-With pleasure.
-By all means.
(b) As negtive answers to the above sentence, the followings are
correct?
-I'm afraid I can't.
-Cerainly not.
-No, I'm sorry.
-I'm afraid not.
-I guess not.
Thank you in advance.

[Johan[@CLT]]

Positive reply to "May I smoke here"? may be "be my guest" or yes you can.

I wouldn't say "Yes, you may" To my mind it sounds like a cocky reply.

But for the rest ... I think that 9 out of 10 replies are good!

Kind regards