Breaking out of question-requests

Every now and then I try to break habits of speech, to avoid getting lazy and tired in the way I communicate.

A while back I was trying to dig '-wise' out of my everyday speech because clarify-wise and speech-wise it's not the most graceful thing expression.

At the moment I want to stop phrasing requests as questions:

Could you please...?
Would you be able to...?
Can I please ask you to...?

Not because they are bad, but simply because I rely too much on questions to be courteous. I would like to find more direct ways of requesting things that are still gentle.

Any suggestions?