Is Monday good for you? (at all)
Would Monday be good for you at all?
Can you send confirmation? (possible)
Would it be possible that you send confirmation?
I want to be at the pub. (rather)
I'd rather be at the pub.
Can you come tomorrow? (suit)
Would (coming) tomorrow suit you?
Can you spell your surname for me, please? (mind)
Would you mind spelling your surname for me, please?
Are you coming to our next appointment? (wondering/whether)
I was wondering whether you would come to our next appointment.
Can I borrow your car? (wondering/whether)
I was wondering whether I could borrow your car.
I don't want to go. (rather not)
I'd rather not go.
Do you have his number? (happen)
Would you happen to have his phone number?
Can you make it on the 14th at 10 am? (able/at all)
Would you be able to make it on the 14th at 10 am?