Almost the whole song goes like this
D B G A
E|-----------------------------------------------------|
B|-----------------------------------------------------|
G|-777777777777----------------------------------------|
D|-777777777777-999999999999-555555555555-777777777777-|
A|-555555555555-999999999999-555555555555-777777777777-|
E|--------------777777777777-333333333333-555555555555-|
(or you can play the chords) 