Command and Conquer 4

I like very much play 2v2 with some good players, it's always close and well played both sides. I'm not so good in it, so why not improve a bit? I play this one in Disputed Depot, with offence crawler. Umm, i know that i made lot of mistakes, but i really appreciate if someone can says me where i did my major or minor mistakes. It is really important to me, coz i can get better my game. Thanks a lot,