INTRO

E|----------------------------------------|
B|--3-3-3-3-------------------------------| repeat until >
G|--3-3-3-3-------------------------------|
D|----------------------------------------|
A|----------------------------------------|
E|----------------------------------------|

Throughout the rest of the song it's a combination of:

E|----------------------------------------|
B|--3---3---3-----------------------------| [repeat]
G|--3---0---2-----------------------------|
D|----------------------------------------|
A|----------------------------------------|
E|----------------------------------------|