This is just a interpretation, there's a lot improvisation in 
there.

     Verse riff
  Csus         G                  Fill1     Em(7)
e------(3)-----------------------------------------------------
B-------3-------------------3----------------------------3-----
G-0--------0---0---------0----0-------------0---------0----0---repeat
D-2--------2---0------0---------0-----------2------2---------2-through
A-3--------3---2---2------------------------2---2--------------verse
E--------------3------------------2--3-2-3--0------------------

     Like this:
               Csus      G       Fill1   Em
     when the light has gone...
               Csus        G       Fill1   Em
     and the stillnes is chaken...
               Csus         G         Fill1   Em
     and the drug of your smile, has gone
          Csus     G       Fill1   Em
     And left me alone
               Csus            G           Fill1                 Em
     I need it bad, I need it now, wont u come'n'me and give me some.
                 Csus        G      Fill1              Em
     I need it sweet, baby please, wont u answer the phone

     Chorus riff
       Fill2        Em     C
     e-----------------0--------------------------
     B--------------0--0---1--1-------------------
     G--------------0--0---0--0--Keep strumming---
     D--------------2--2---2--2--one measure------
     A------0-2-----2------3--3-------------------
     E-3-3-------3--0-----------------------------

       Fill2         Em     C
      Step into the light, Baby
       Fill2          Em       C
      just give me a call, and I will begin
       Fill2         Em     C (keep strumming)
      Step into the light, Baby
      C
      And see the touble i'm in

     Post chorus riff
       Csus   G
     e----3--------------------
     B----3--------------------
     G-0--0-0-0----------------four times
     D-2----2-0---0h2p0--------
     A-3----3-2---------2-0----
     E--------3-------------3--

Verse same as above
      The light has gone
      My love has gone
      The good times have gone
      Away
      I have to ask, I need to know
      Was it ever love?
      I need it sweet, baby please
      Come and give me some