Very Simple, just
E|--------------2---------------2-----------------------|
B|-----------3---------------3------3--3--2--0----------|
G|--2--2--2---------2--2--2---------------------2-------|
D|------------------------------------------------------|
A|------------------------------------------------------|
E|------------------------------------------------------|
[ Tab from: http://www.guitaretab.com/m/misc-traditional/276690.html ]
E|--------------0---------------0-----------------------|
B|-----------2---------------2------2--2--0--2--3-------|
G|--2--2--2---------2--2--2-----------------------------|
D|------------------------------------------------------|
A|------------------------------------------------------|
E|------------------------------------------------------|
Repeat as long as you want :D
