This is the verse and the chorus is a variation of this strummed.
[ Tab from: http://www.guitaretab.com/r/rosie-thomas/159646.html ]
D A G
e|-------------------------------------------------------------------------------------|
b|-------3---------3-------------------------------------------------------------------|
g|-----2---2-----2---2-------2--------2----------0---------0---------0---------0-------|
d|---0---------0-----------2---2----2---2------0---0-----0---0-----0---0-----0---0-----|
a|-----------------------0---------0---------------------------------------------------|
E|--------------------------------------------3---------3---------3---------3----------|
