It's mostly picking notes out of those chords throughout the song
CAPO 4th fret... all chord names referred to are going to be just positions relative to the capo

Em (0,2,2,0,0,0)
F#/D(2,0,0,2,3,2)
Cadd9 (x,3,2,0,3,0)
G (3,2,0,0,3,3)
F#/Dsus4 ( 2,0,0,2,3,3)
Cadd9* (x,3,2,0,3,3)
Am (x,0,2,2,1,0)
Bm (x,2,4,4,3,2)

the F#/D(2,0,0,2,3,2) can be substituted with an F#/Dadd9 (2,0,0,2,3,0)

Tabbed by: Aya

Here's a picking pattern I play for the verse

Em (022000@1)          F#/D       Cadd9 (x32030@1)   Cadd9 (x32030@1)  
|-----------------------------0-----------0-----|
|------0-----------3------------3----------3----|
|---0---0-------2---2------0------0----0----0---|
|--2-2---2-----0-0---0----2-2---------2-2-------|
|---------2-----------0--3----------3-----------|
|0------------2---------------------------------|

Verse:

Em (022000@1)         F#/D    Cadd9You (x32030@1)thought we'd be fine

Em (022000@1)      F#/D       Cadd9All (x32030@1)these years gone by

Em (022000@1)                   F#/D                           Cadd9Now (x32030@1)you're asking me to listen well then tell me bout everything

Em (022000@1)          F#/D   Cadd9No (x32030@1)lies, We're losing time

Chorus:
                Gcause (320003@1)this is a battle

             F#/Dsus4   Cadd9*   
and its your final last call

          Git (320003@1)was a trial

           F#/Dsus4   Cadd9* 
you made a mistake we know


               Amwhy (x02210@1)aren't you sorry

               Bm (x24432@1)  Cadd9*
why aren't you sorry why

               Gthis (320003@1)could get better

          F#/D
we can be happy

   Cadd9*
try


Verse:
Em (022000@1)            F#/D    Cadd9(play (x32030@1)this for the rest of the verse)
you've got them on your side
and they wont change their minds
now its over and I'm feeling like I missed out on everything
I just hope It's worth the fight