This is based around an E chord, with descending bass notes E, Eb, C#
during the verse and some F#m, G#m noodling for the break and the
chorus goes A, B and you can work it out from there, probably.

Verses

Scratching at the surface now and I'm trying hard to work it out
  E---------------------0----------------------------------0
  B---------------------0----------------------------------0
  G---------------------4----------------------------------6
  D---------------------6----------------------------------6
  A---------------------7--------------7--5--7-------------7
  E---------------------0----------------------------------0

And I'm looking for a sign
  E-------------------------0-----0-----0-----0
  B-------------------------0-----0-----0-----0
  G-------------------------2-----4-----5-----4
  D-------------------------4-----6-----7-----6
  A-------------------------4-----6-----7-----6
  E-------------------------2-----4-----5-----4

So if you have something to say, say it to me now
  E-----------------------------------0-----0
  B-----------------------------------0-----0
  G-----------------------------------2-----8
  D-----------------------------------4-----9
  A-----------------------------------4-----9
  E-----------------------------------2-----7

Chorus

cause this is what we waited for, a chance to even up...
  E-----0------------0---------0-------------0-------0
  B-----0------------0---------0-------------0-------0
  G-----4------------5---------6-------------6-------8
  D-----6------------6---------6-------------7-------9
  A-----7------------7---------7-------------7-------9
  E-----0------------0---------0-------------5-------7

Very last chord
  E -----0
  B ------0
  G -------1
  D --------2
  A ---------2
  E ----------0