Im not 100% sure of the name of these chords, they are, C, D, Em, Bm... however, 
not the standard chords of these. I will call them C6, D6, Em6 and Bm6. See directly below for the actual chord used.
 CHORDS: 
C6DEm6Bm6 e|---x---x---x---x---|
B|---5---7---x---x---| 
C6D6 What if I wanted to break
Em6 Laugh it all off in your face
Bm6 What would you do? (Oh, oh)
C6D6 What if I fell to the floor
Em6 Couldn't take all this anymore
Bm6 What would you do, do, do?
C6D6 Come break me down bury me, bury me
Em6Bm6 I am finished with you
C6D6 What if I wanted to fight
Em6 Beg for the rest of my life
Bm6 What would you do?
C6 You say you wanted more
D6 What are you waiting for?
Em6Bm6 I'm not running from you (from you)
C6D6 Come break me down bury me, bury me
Em6Bm6 I am finished with you
C6D6 Look in my eyes You're killing me, killing me
Em6B6 All I wanted was you
D6Em6 I tried to be someone else
D6Em6C6D6 But nothing seems to change I know now
e|-----------------------------------| This is who i really am 
D6Em6 Inside Finally found myself
D6Em6C6D6 Fighting for a chance. I know now,
e|-----------------------------------| 
C6D6 Come break me down bury me, bury me
Em6Bm6 I am finished with you
C6D6 Look in my eyes You're killing me, killing me
Em6Bm6 All I wanted was you
C6D6