Chords use:
   E   C   B    D
E|--7---3---2----5---|
B|--7---5---4----5---|
G|--8---5---4----6---|
D|--9---5---4----7---|
A|--9---3---2----7---|
E|--7------------5---|

Here is mark the rhythm with the * symbol. This mean that the chords is play 
one time
Down. It's easy to figure out

1st part:
*  *        *                *         *
E                            C         B

2nd part:
*  *        *                *         *
D                            B         C