how do I do longer gesture drawings?

I can do the up to one minute on gestures but anything longer and I start to struggle. I'm just not sure what to do with the extra time.

Hi Andrew! Do you have any examples of what your gestures look like when you choose one minute?

http://andrewhousley.deviantart.com/art/one-minute-gestures-651943675 sorry that took so long to post. I made a deviant art and am going to post my work there from now on