How to work the heavy bag?

My gym at the moment has me working on my own on the heavy bag between rounds with the trainers on the pads. Should I be just working for power and throwing single shots/ short combinations or are there more advanced things I should be doing.



What are your favourite heavy bag combinations? Currently I'm trying to improve my power when doubling up on hooks and uppercuts but other suggestions are always welcome...

jab in, three-four punch combos and jab out. move around as well.

Thanks, still not entirely getting it, but I feel like I'm at least being slightly productive...

First round:jab only. Second round: jab/cross combo. Rounds 3 & 4: jab/cross/hook. Enjoy!

lol Im new to boxing but I always do exactly what dennis say, Im glad its right.