The Guitar part repeats over and over in the song, so this is one pattern of it. Listen 
to the song to figure timing
http://www.youtube.com/watch?v=FnafmD1seAA


-------------------------------------------------------------------------------
		         What Could Have Been - George Shaw
-------------------------------------------------------------------------------
Tabbed by: N Arshad

Tuning: Standard

Brackets after a note/notes means let ring

|-----3()-------3----2()------2----0()-----0----2()-------2----0()-|
|-----0()-------0----3()------3----0()-----0----3()-------3----0()-|
|-----0()-------0----2()------2----0()-----0----2()-------2----0()-|
|------------------------------------------------------------------|
|------------------------------------------------------------------|
|-3()---------3---2()-------2---0()------0---2()--------2---3()----|

and this repeats over and over in the song