Teenage Head - Something On My Mind chords

First tab ever. I dont know the lyrics

Intro: C - Am 

C
if you say
Am
that somethings on my mind
C
Well they say
G
All the things went behind...
[ Tab from: http://www.guitaretab.com/t/teenage-head/225694.html ]
F
But if you, plan to go
G
Please dont go,
F
But if you decide to say "No no no"
G
thats ok

C -rest- Am - Am.
repeat. apologies for the quality but hte chords are there
help with the lyrics please