one way you can get a guy to ask you out is if you ask him out yourself. but this is pretty straight forward and if you don't want to do that you can just let him know that you like him using body...
Never ask a guy out! Let them take the first move..I used to like this guy,and I almost asked him out, but it's the the right answer! Always let him do that part!
A guy usually asks for time when he isn't ready for the solid committment part of a relationship, or maybe he feels that he isn't ready for the pace that the relationnship is moving atso wants a time...