Verse part 1 
G----------|G 
D----------|D 
A----2--55-|A 
E-11--11---|E 
 
Verse part 2 
G----4--77-|G 
D-33--33---|D 
A----------|A 
E----------|E 
 
Verse part 3 
G------------|G 
D----9--1212-|D 
A-88--88-----|A 
E------------|E 
 
In part three those are two twelves not ones and twos. 
 
Structure 
 
Verse part 1 x8 
Verse part 2 x2 
Verse part 1 x4 
Verse part 2 x2 
Verse part 3 x1 
Repeat as necessary