Basic of drumming motion consists of Rudiments:
First Rudiments that we need to know is basic single stroke: R L R L R L R L
Here is a four beat single stroke written in 16th note: You count like this :
Be sure to practice this very slow, make sure your both sticks are coming up and down with the same height and you are getting the same equal sound in both hands.
Download Pro Metronome app from the App Store and set the tempo to 80 then practice these exercises 15 times each everyday.
This sheet is taken from Virtual Drumming website on single stroke.