This song is composed of the two basic riffs below. There is a lot of variation in the song 
—— whether you strum the note or play it only once, whether you play an octave higher or 
lower, etc. It's really up to you how to play it, but these are the right notes below from 
which you can start.

G|————————————————————————————|
D|————————————————————————————| (played on guitar to open the song)
A|————————————————————————————|
E|——7———9—10—10/3———10—12—12——|

G|——————————————————|
D|——————————————————|
A|——3>——————————7>——| (played at "Be my, be my...")
E|——————5>——3>——————|

The song shifts from those riffs to a different setup at the bridge:

G|——————————————————————|
D|——————————————————————|
A|——7>——————5>——————5>——| 2 (played at "I inhabit a world...")
E|——————2>——————2>——————|

G|——————————————————————|
D|——————————————————————|
A|——7>——————5>——5>——————| (played at "When bad girls start...")
E|——————2>——————————2———|