verse(a)
G-----------------------------------------------------------------------
D-----------------------------------------------------------------------
A----------------------3-3-3-33------------5-5-5-55----------------
E-----(0-15/5)-5-5-55-------------3-3-3-33---------------------------

(b)
G-----------------------------------------------------------------------
D-----------------------------------------------------------------------
A------------------3-3-3-33-------------5-555-5-555-5-55--------
E-----5-5-5-55---------------3-3-3-33-------------------------------

chorus
G-----------------------------------------------------------------------
D-----------------------------------------------------------------------
A-----------------5-5-555555----------------3-3-333333----------
E---3-3-333333----------------5-5-555555-------------------------

bridge
G-----------------------------------------------------------------------
D-----------------------------------------------------------------------
A------------5--5-5----------3--3-3----------------------------------
E----3--3-3----------5--5-5-------------------------------------------

structure:
verses (comes in with drums)
chorus
verses (no slide)
chorus
bridge
verses
chorus
verse (a) (no slide) repeat til the end


this is really simplified, and doesn't require dropping to D. pretty simple if you know how the song goes!