Intro/Verse/Chorus

G|----------------------------------|
D|--4(x16)------1(x8)---------------|
A|--------4(x16)-----2(x8)-----4(x8)|
E|------------------------2(x8)-----|

Pre-chorus ("But you all have guns")

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

You can build up on the last C# (Last 4) on the "Don't take it take it" bit if you wish, I think it sounds 
better.

Breakdown(played in time with the 'Heys')

G|-----------------------------------------------------|
D|-1--1--1--1--1---1--1--1--1--1--1--1--1--1--1--111111| (build up at the end)
A|-----------------------------------------------------|
E|-----------------------------------------------------|

Bridge

Part 1 (not played first time around, also the notes are played on piano, but they're tabbed out for bass here)

G|--------------|
D|--1~----------|
A|-----2~-----4~|
E|---------2~---|

Part 2

|-----------------------------------------------------------------------|
|------------------------------------------------------11h13p11---------|
|-----9--11h13p11--9--8------6--11h13p11--9--8--9--13------------13--9--|
|-11----------------------7---------------------------------------------|

|-----------------------------------------------------------------------|
|-----------------------------------------------------------------------|
|----8--11h13p11--9--8--------------------------------------------------|
|-9---------------------11~---------------------------------------------|

Then there's part 1 again, but the next bit is slightly different

Part 3
|-----------------------------------------------------------------------|
|------------------------------------------------------11h13p11---------|
|-----9--11h13p11--9--11-----6--11h13p11--9--8--9--13------------13--9--|
|-11----------------------7---------------------------------------------|

|-----------------------------------------------------------------------|
|-----------------------------------------------------------------------|
|----8--11h13p11--9--8--------------------------------------------------|
|-9---------------------11~--13~---14~----------------------------------|

So basically the whole song structure is:
Intro (first time no bass)
Verse
Pre-chorus
Chorus (no bass for the first half)
Verse (no bass for the first half)
Pre-chorus
Chorus (no bass, only half the chorus is there)
Breakdown
Bridge Pt I (no bass)
Bridge Pt II
Bridge Pt I
Bridge Pt III
Intro (no bass)
Chorus