Intro:

G-----------------------------------------------------------------------|
D-----------------------------------------------------------------------|
A-----------------------------------------------------------------------|
E-8(12x)--6(12x)--3(12x)--1(12X)-4-44-44-44-44-4444-??????????????------|
                                                    don't know last note

pre-chorus:

G---------------------------------------------|
D---------------------------------------------|
A---------------------------------------------|
E-8-8-8-8-6-6-6-6-8-3-3-3-3-1-1-1-1-3-3(12x)--|

chorus (i'm gonna put 2 choruses take your pick of which one to use)

G-----------------------------------|
D-----------------------------------|
A-----------------------------------|
E-8(12x)-6(12x)-3(12x)-1(12x)-------|

alternate chorus

G---------------------------------------------------|
D---------------------------------------------------|
A---------------------------------------------------|
E-8-8-8-8-6-6-3-3-8-8-6-6-6-3-3-8-8-6-6-3-3-1-3-1---|

during guitar solo

G------------------------------|
D------------------------------|
A------------------------------|
E-8(12x)-6(12x)-3(12x)-1(12x)--|