I'm not 100% sure if this correct, but this is how i play it
it won't harm try it


Intro
G----------------
D----------------
A----------------
D-0-00-0-0-0-0-0- x1

then 

G-----------------
D-----------------
A-----------------
D-000-0-0-0-0-0-0-

chorus
G------------------------------------
D------------------------------------
A------------------------------------
D-3~----------333337~----------77777-

verse
G----------------------------------------------------------------------------
D----------------------------------------------------------------------------
A----------------------------------------------------------------------------
D-2~-----4444-3~-----4444-2~-----4444-7~--------4444-5~-----4444-2~-----4444-