The Offspring - Days Go By Bass

Intro

G|--------------------------------------------------|
D|--------------------------------------------------|
A|----5-5-------------------------------------------|
E|--------------------------------------------------| (x4)

Main Riff

G|--------------------------------------------------|
D|--------------------------------------------------|
A|---7(x8)-5(x8)-------7(x7)-5-5--------------------|
E|---------------5(x8)------------------------------| x3

The verses are the same, without that litte bit on the fifth fret at the end.

Chorus

G|--------------------------------------------------|
D|--------------------------------------------------|
A|-5(x4)-----7(x4)--------5(x4)-----7(x8)-----------|
E|------5(x4)------7(x4)-------5(x4)----------------|

Song Order

Intro
Main Riff
Verse
Chorus
Verse
Chorus
Intro
Main Riff
Chorus x2

And then the bass doesn't play anything in the outro, but it's the same chords as the 
chorus if you wanna muck around a bit

That's pretty much it. Real easy song.