Sorry this is my first tab so I apologise if it's awful, but I did try:-)
Remember that this song is meant to be played not set to robotic timing, "feel" the
music to see what I mean:-)

Intro:
G|--------------------------------------------------|
D|--------------------------------------------------|
A|-5---5--578---8--8910----10---101112----121087----|
E|---5---5----8---8-----10----10-------12-----------|

Verse 1:
G|--------------------------------------------------|
D|---7---7------------------------------------------|
A|-5---5---8---8---8910----10---101112----121087----|
E|-----------8---8-----10----10-------12------------|

G|--------------------------------------------------|
D|---7---7------------------------------------------|
A|-5---5---8---8---8910----10---101112--10121087----|
E|-----------8---8-----10----10-------12------------|

Pre-Chorus (the 123s and 321s are very quick)
G|----------------------------------------------------|
D|----------------------------------------------------|
A|-1-1--1--1-123-3--3--3-321-1--1--1-1----0---0-------|
E|-----1----1------3----3------1-------1--------3-1-0-|

Chorus
(Sarah smiles like..)
G|-----------------------------------------------------------------------|
D|-----------------------------------------------------------------------|
A|-8-8-8-8-8-8-8-8-8-8-8-8-7-7-7-7-5-5-5-5-5-5-5-5-5-5-5-5-5-3-3/15151515|
E|----------------------------------------5---------5-------5------------|

(Does she know...)
G|-----------------------------------|
D|-----------------------------------|
A|-1-1-1-1-0-0-0-0---------3-3-3-3---|
E|-----------------3-3-3-3-----------|

(After the B flats there is a slide but its very fast)
G|-----------------------------------------------------|
D|-----------------------------------------------------|
A|-5-5--5------------------35-5--5-----1---/15\--------|
E|-------5-5--56-6--66-6---------5-5-------------------|

Post-Chorus
G|--------------------------------------------------------|
D|--------------------------------------------------------|
A|-5\---5-578\--8-8910\----10--101112\----121210108877----|
E|-------5-------8-----------10---------------------------|

Verse
G|---------------------------------------------------------------------|
D|---------------------------------------------------------------------|
A|-5-5--5--5-578-8--8--8-8910-10--10--10-101112-12--12-121210108877----|
E|-----5----5------8----8-------10-----10---------12-------------------|

I don't mind...
G|-----------------------------------------------------------------|
D|-----------------------------------------------------------------|
A|-5555555555555557888888888888888910101010101010101010101010101011|
E|-----------------------------------------------------------------|
(I don't know if I put the right number of rolling notes, it was meant to be 15 then the
changing note)

G|---------------------------------------------------------------|
D|---------------------------------------------------------------|
A|-121212121211212\0000------------------------------------------|
E|---------------------------------------------------------------|

Pre-Chorus
G|------------------------------------------------------------------|
D|------------------------------------------------------------------|
A|-1111111111111112333333333333333211111111111111110000000000000----|
E|--------------------------------------------------------------310-|

Chorus
(Sarah smiles like..)
G|-----------------------------------------------------------------------|
D|-----------------------------------------------------------------------|
A|-8-8-8-8-8-8-8-8-8-8-8-8-7-7-7-7-5-5-5-5-5-5-5-5-5-5-5-5-5-3-3/15151515|
E|-----------------------------------------------------------------------|
(all instruments play staccato at this part which is why it sounds different to the
first chorus, although almost the same)

(Does she know...)
G|-----------------------------------|
D|-----------------------------------|
A|-1-1-1-1-0-0-0-0---------3-3-3-3---|
E|-----------------3-3-3-3-----------|

(After the B flats there is a slide but its very fast)
G|------------------------------------------------------------------------|
D|------------------------------------------------------------------------|
A|-5-5--5------------13131212101088------35-5--5-----1---/15151515--------|
E|-------5-5--56-6--6---------------------------5-5-----------------------|

Bridge
G|----------------------------------------------------------------------|
D|----------------------------------------------------------------------|
A|-55555555555555331111111111111111555555555555553311/131300/1212-------|
E|----------------------------------------------------------------------|

And when I think I'm right..
G|----------------------------------------------------------------------|
D|----------------------------------------------------------------------|
A|-111111111111111155555555555555551111111111111111222222222222/13131313|
E|----------------------------------------------------------------------|

When the Chorus comes after the pause...
Chorus
(Sarah smiles like..)
G|-----------------------------------------------------------------------|
D|-----------------------------------------------------------------------|
A|-8-8-8-8-8-8-8-8-8-8-8-8-7-7-7-7-5-5-5-5-5-5-5-5-5-5-5-5-5-3-3/15151515|
E|----------------------------------------5---------5-------5------------|

(Does she know...)
G|-----------------------------------|
D|-----------------------------------|
A|-1-1-1-1-0-0-0-0---------3-3-3-3---|
E|-----------------3-3-3-3-----------|

(After the B flats there is a slide but its very fast)
G|-----------------------------------------------------|
D|-----------------------------------------------------|
A|-5-5--5------------------35-5--5-----1---/15\--------|
E|-------5-5--56-6--66-6---------5-5-------------------|

PLEASE NOTE: it's not me being lazy but I originally wasn't going to tab the whole
thing, so the last chorus has little flares [like I think you slide up to 13 just before the
last chorus starts and the last line definitely has a few) but I am rushed for time, so 
I couldn't listen to the end.