Intro:
G
D                                  then:
A             4 4 5 5                       4               0 2 2     0 2  0
    022 0 2 4 (slide)
E       0 0             5 3
B

Chorus:
G
D
A 0 0       0 0 0   0 0  2 2    0 2 0 2 0 2
E
B

then during the breakdown it you'll go down an octave on the B string going:

G
D
A                             0     22  0   2 ( 4 )*
E
B  2              0                                             * only the
last time do you play the 4