Ok this song doesnt actually have a bass part but here is two ways you can play the
and chorus's.  The first sounds good, it pretty much matches the guitar chords played.  The
one, i personally think sounds better.  Let me know what you think.  On the fourth time 
strum the last note only 4 times


g -----------------------------------------------------------------|
d -----------------------------------------------------------------|
a -9-9-9-9-9-9-9-9-7-7-7-7-7-7-7-7-5-5-5-5-5-5-5-5-4-4-4-4-4-4-4-4-|[x4]
e -----------------------------------------------------------------|


g 11-11-11-11-11-11-11-11-9-9-9-9-9-9-9-9-7-7-7-7-7-7-7-7-6-6-6-6-6-6-6-6---|x4]
d --------------------------------------------------------------------------|
a --------------------------------------------------------------------------|
e --------------------------------------------------------------------------|