Are you planning to use it for the whole season? If so I suggest not. It's alot more fun to constantly change your formation and counter your opponents formation.

Anyway if you plan to use that formation, I would add counter attack as well, if they don't have AMC. Also I would go attack both flanks only if the opponent is weak on the flanks, but then I'd change to mixed focus passing in the second half just to mix it around a little bit.