Let's make a list of SWBF EA controls.
Third person is selected from the HUD controls menu. or by pressing C
A,S,W,D the usual
shift (I think) sprint
left control (I think) crouch
Y is all chat
U is team chat
to get grenades, you must unlock them, equip them, then press 1, 2, or 3 to toss them depending on what spot they are in.
You can change 1st/3rd person during the match by pressing and holding "C" (default)