What do you have?
I have a crayon.
have/do/What/you?
What do you have?
What do you have?
I have a pencil.
a-marker-have-I.
I have a marker.
have-I-pen-a.
I have a pen.
pencil-have-I-a.
I have a pencil.
What do you have?
I have a pen.
do/What/have/you?
What do you have?
What do you have?
I have a marker.