Well at the first part the chords were really easy to find out because
they really are basic, and guitarist should really know them but the next part
was a little tougher to find out but i managed so here yah go.

Verse:

E-----------------2-------------------------------------------|
B-----------------3--------3--3------2-2-2-2-2----------------|
G-----------------2------------------2-2-2-2-2----------------|
D-----------0------------------------2-2-2-2-2----------------|
A----0-2-4-----------------2--2------0-0-0-0-0----------------|
E--------------------------3--3-------------------------------|

Bridge:

E----------------------------------------|
B----------------------------------------|
G-----2--2-4--7-6----2-4-2---------------|
D-----0--0-5--0-7----4-5-4---------------|  x2
A----------------------------------------|
E----------------------------------------|

The part where they do the "ahhhh's" 


E----------------------------------------------|
B--2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-------|
G--2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-------|
D--2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-------|
A--0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-------|
E----------------------------------------------|

And then i goes back to the verse:

And there is an ending that i just couldn't figure out.
but i think that the last chord is a a9. 

Thank's and enjoy!
If you have any questions just email me @
jack_johnson_rocks11@hotmail.com

Cheers!