You can have one guitar playing the chords and the other
doing this below. Play along with the CD just to have
fun with it...

Basic boogie rhythm:
Accompanying Bass Tab on guitar could be:

 While C chord is playing:
E-------------------------------------|
B-------------------------------------|
G----------0-0-2-2-3-3-2-2-0-0-0h2p0--|
D------2-2----------------------------|
A--3-3--------------------------------|
E-------------------------------------|

 While F chord is playing:
E-------------------------------------|
B----------1-1-3-3-4-4-3-3-1-1-1h3p1--|
G------2-2----------------------------|
D--3-3--------------------------------|
A-------------------------------------|
E-------------------------------------|

 While G chord is playing:
E-------------------------------------|
B-------------------------------------|
G-------------------------------------|
D----------0-0-2-2-3-3-2-2-0-0-0h2p0--|
A------2-2----------------------------|
E--3-3--------------------------------|