Intro:
    Em       G        D
e|---0-0--------3-3-3--------2-2-2--------0-0-0------------------------------|
B|---0-0--------0-0-0--------3-3-3--------3-3-3------------------------------|
G|---0-0--------0-0-0--------2-2-2--------0-0-0------------------------------|
D|---2-2--------0-0-0--------0-0-0--------2-2-2------------------------------|
A|---2-2--------2-2-2--------0-0-0--------0-0-0------------------------------|
E|---0-0--------3-3-3--------0-0-0--------0-0-0------------------------------|

Just play this through the whole song:
Strumming pattern: Down, up, down.

    Em       G        D
e|---0-0-0-------3-3-3--------2-2-2--------0-0-0------------------------------|
B|---0-0-0-------0-0-0--------3-3-3--------3-3-3------------------------------|
G|---0-0-0-------0-0-0--------2-2-2--------0-0-0------------------------------|
D|---2-2-2-------0-0-0--------0-0-0--------2-2-2------------------------------|
A|---2-2-2-------2-2-2--------0-0-0--------0-0-0------------------------------|
E|---0-0-0-------3-3-3--------0-0-0--------0-0-0------------------------------| 

 C#m   E     B    A
dadada dadadada dada dada DAdada
C#m   E     B    A
dadada dadadada dada dada DAdada

Verse:
C#m E B  A
Oh oh, sometimes
         C#m E  B  A
I get a good feeling, yeah
C#m  E         B         A          C#m  E 
Get a feeling that I never, never, never, never had before, no no
         B     A
I get a good feeling, yeah

Repeat C#m  E  B  A the whole song