G    32000x
C    x3201x or 33201x
Em   02200x
F    13321x
If you are just strumming the chords I think it sounds better if you mute the smallest 
the whole time

Intro and verses

  Am     G     C                  Am     G     C
E|-----------------------------------------------------------------|
B|-----1-0-----0-1-----1-------1-------1-0-----0-1-----1-------1---|
G|-----2-0-----0-0-----0-------0-------2-0-----0-0-----0-------0---|
D|---2-------0-------2---2---2---2---2-------0-------2---2---2---2-|
A|-0---------------3-------3-------0---------------3-------3-------|
E|---------3-------------------------------3-----------------------|

  Am     G       Am       Em      F      G     C
E|---------------------------------------------------------------|
B|-----1-0-----0-1-----1-0-----0-1-----1-0-----0-1-----1-------1-|
G|-----2-0-----0-0-----2---------0-----2-0-----0-0-----0-------0-|
D|---2-------0-------2---2-----2-------------0-------2---2---2---|
A|-0---------------0---------2-------3-------------3-------3-----|
E|---------3---------------0-------1-------3---------------------|

Chorus
I just strum the chorus, you can pick it out if you want to though, I think it is pretty 
to the same pattern as the rest of the song, but the chords are as follows:

G   C   F   G   C   F   Em   Am   F   Em   Am   F