i took this intro from someone off this site

E-----------------------------------------------------------------------------\

B-----------------------------------------------------------------------------\

G-----------------------------------------------------------------------------\

D-----------------------------------------------------------------------------\

A-----2-3-3---2-3-3---3-2-0-0----0--------------0---------------2-3-3--\

E?3--------3--------------------------3-1-1----1-----3-3-----3-----------\
  through the vese and chorus play:

G G Em Em C D G G  and repeat this for the whole song

i usually put a palm mute on after each strum to make it sound better.