Sad to say, there isn't anything such as "styles" in S4. All you really need to do is learn how to aim with your weapons. And evade every once in a while. S4 is mostly aim though.

You can look at this some of Cysote's videos to learn a few evasive moves if you really need to.

http://www.youtube.com/watch?v=MHm81...eature=channel