Learn to roam.
Learn to jungle.
Learn to gank.
Then start using CV. It's great if you are map aware and know where people will likely be when you can use your base map intel to decide where to use CV.
Jungle lots. Then play a support with CV. you'll find you use it alot better.
Best answers i've seen, up!
© 2014 Riot Games, Inc. All rights reserved. Riot Games, League of Legends and PvP.net are trademarks, services marks, or registered trademarks of Riot Games, Inc.