[intensez]

pretty much what ji said. also keep in mind to watch for whats warded and stop relying on lanes to know if it is. watch what bottom lane buys and see where the support walks. bottom lane is a GREAT lane to gank if they dont have any wards bc lets face it.. 2 kills > 1 kill for all the other lanes. and having an idea of what junglers go where in what buff order is good too.. keep wards in the enemy jungle when possible. see the jungler ganking top? counter his wraiths or if a buff is up take his buff. see the jungler getting his wraiths? gank top, all these little things can easily put a game in your favor.