Summarize:

To dribble like Cristiano Ronaldo, you need to be very fast. To improve on your speed, do some sprinting every day. More importantly, do stretches before a game or a run. You need stamina, so go for a jog around a field. Before you get into flicks feints and step overs, train until you can dribble very fast between cones, keeping the ball under tight control and close to you all the time. Perfect the basics before you try to play like Ronaldo.
Increase your speed. Run through speed ladders and cones, along with sprints to develop speed and agility. Learn how to dribble.