There's really no bass in this song but if you're playing with a band or something 

G-----------------------------------------------------------------|
D-----------------------------------------------------------------|
A-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-|
E-----------------------------------------------------------------|

G-----------------------------------------------------------------|
D-----------------------------------------------------------------|
A-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-|
E-----------------------------------------------------------------|

G----------------------------------------------------------------|
D----------------------------------------------------------------|
A--------------------------------2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-|
E-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2--------------------------------|

G-----------------------------------------------------------------|
D-----------------------------------------------------------------|
A-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-|
E-----------------------------------------------------------------|

In verse 2 you can add this:

G-------|
D-------|
A-2h4-4-| x8
E-------|

That's basically the whole song. Enjoy. It's super easy.