Are you a good driver?
Yes, I'm rather good at driving.
I need you to teach me how to drive.
Yes, but do you have your learner's permit?
Yes, I have it.
Have you ever driven a car before?
I drove a car before, but only once.
Are you aware of all the controls in the car?
I already know all of them.
When would you like me to start teaching you?
When do you have time?
Call me tomorrow, and we'll get started.