Introduction:

C#m B A B (I think that the guitar just stays on C#m during the intro, and the keyboard
bass do the other chords)

Verse:

C#m B A B

Pre-chorus:

B A B

Chorus:

C#m A F# A

Bridge:

Abm E F# A

End the song on C#m

Apparently the tab has to be 300 symbols or it wont let you submit it so .............