Watch the Rosanna Play-along #2 online guitar lesson by Ben Lacy from Two-Hand Groove Guitar
Now that you can do the kick and snare, let's add the hi-hat. This is one of the most finesse drumbeats with all of the feel you could possibly want.
Keep practicing this one to get it into muscle memory. This will make it second nature with you and it will be much easier.
Remember to vary the hi-hat pattern as you see fit. Have fun with it!