Listen to the song for the timing a few times
  and you?ll get it

Intro
E---3------3---------------3------3-------------|
B----3------3---------------3------3------------|
G------------0---0------------------0---0-0-----|
D-2----2-0------2-2---0--2----2-0------2----0---|
A--------------3-----2----------------3-----2---|
E-------------------3-----------------------3---|
   After that you pause before playing this..

Riff 1
E---3------3--------------|
B----3------3-------------|
G------------0---0--------|
D-2----2-0------2-2---0---|
A--------------3-----2----|
E-------------------3-----|
   You play that 4 times then it changes to this..

Riff 2
E---------------------------|
B---------------------------|
G---0-----0-----------------|
D--2-2---2----0---4p5h4-----|
A-2-----3----2-2--------5---|
E-----------3---3-----------|
   After you play that 4 times go back and play Riff 1
   4 more times then Riff 2 four times then play this

Chords
E--------------|
B--------------|
G-9--7-----5---|You play this 12 times I think you
D-9--7--5--5---|get the idea either way
A-7--5--5--3---|
E-------3------|

Here is the order

Intro-x1
Riff1-x4
Riff2-x4
Riff1-x4
Riff2-x12
Chords-x4