Biffy Clyro - Scary Mary chords

Very rough chords for Scary Mary by Biffy Clyro. They're probably mostly wrong, as this 
is my first tab, but I got fed up with there being no chords for this song on the site.
Feel free to comment and correct these, or use them as a guideline to work out the 
chords for yourself... or just ignore them if they're too bad :P
Listen to the song to work out the strumming pattern - it's fairly simple :)
Thanks! T.

Intro: C B6 C F Em F

C B6 C Fwhat must i have become
Em Fto deserve all the shit that you gave me?
C B6 C Fthe rocks look like a body in the river
Em Fnow i just wish that i could sleep
Dm Em Cto keep me from thinking
B6 Cbut the thoughts keep me up
Fits been two months since you
Dm Em Ctaught me not to trust
B6 C Fbut you kept your promise
Dm Em Fyou made patterns on my face
Dm Em Fyou painted pictures with my tears
Dmand you did it again
C D Em Ci knew that you would
Dmthank you for showing
C D Em Cme there's more
(Guitar bit, try chord progressions from previous verses)
Cwash off your hands
B6 C Fits time to let go
release them
Cgive time to your heart
B6 C Fgive time to your soul
(end on C ) release them all Sorry, I bet it's all wrong.
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