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