Which is best multiplayer mode to play to get better at Battlefield 3?

So I never played any battlefields, which is best mode to play to get better?

ie. which at the slowest and fastest pace...Which is best multiplayer mode to play to get better at Battlefield 3?
Conquest and Rush, if you play with your friends squad death match is the best for improving squad tactics :DWhich is best multiplayer mode to play to get better at Battlefield 3?
I'd say rush or squad rush.Its easy to defend and get loads of kills+you always know where the fight is so your not wandering around looking for enemy's.Hope this helpedWhich is best multiplayer mode to play to get better at Battlefield 3?
rush you get very fast kills and a easy points for planting and exploding the m-con