First you wanna have a guard to block the nades that the other team is ganna throw at you. If its a 3v3 your ganna wanna have 1 med,1 guard,and 1 assault. If its a 4v4 you want to get 2 meds or 2 assaults and 1 guard. To capture the zone first your ganna wanna nade spam the middle so they can back off and just kill them. I hope this guide will help you.