okay this is 100% correct - i've been playing it for a good while.
i'll place the strum pattern on the side and it's a bit hard to get used to but it'll come to you.

Chords:

   F   C   Dm  Bb  C/E

e| 1 | 0 | 1 | 0 | 0 |
b| 1 | 1 | 2 | 3 | 5 |
g| 2 | 0 | 3 | 3 | 5 |
d| 3 | 2 | 0 | 3 | 5 |
a| 3 | 3 | 0 | 1 | 3 |
E| 1 | X | X | 0 | 0 |

Intro:

F C Dm Bb C/E                 The strum pattern for intro is
                              (only for F C Ebm)
                              Down,down-up-down-up-down,down-up,down-up
                              down, down
                              Only for Bb (C/E)
                              down, down-up-down-up-down,down-up

Verse:

F      C        Dm
When i see your smile
Bb                F                 Strum pattern for ALL verses are
tears run down my face              down,down-up-down-up-down,down-up
  C
i cant
Dm     Bb
replace
F          
and now that i now i am stronger
        C
i have figured out
         Dm
how this world turns cold and 
Bb
breaks through my soul
      F          C          Dm
and i know i'll find deep inside 
    Bb
i can be the one

Chorus:

F            C
I will never let you fall             There is no strum pattern for chorus'
Dm                                    except for the last 2 at the end
i'll stand up with you                during fade out of song. so just
  Bb                                  strike down at chorus
forever
F
i'll be there for you
C
through it all
Dm
even if saving you
      Bb            F
sends me to heaven

Verse:

    C
It's ok
    Dm
it's ok
    Bb
it's ok
F 
season are changing
    C
and waves are crashing
    Dm
and stars are falling 
Bb
all for us
F
days grow longer
    C
and nights grow shorter
   Dm               Bb
i can show you i can be the one

Chorus:

F            C
I will never let you fall
Dm
i'll stand up with you
  Bb
forever
F
i'll be there for you
C
through it all
Dm
even if saving you
      Bb            F
sends me to heaven

Bridge:

     F
Cus you're my                         the bride strumming is just like the 
C                                     intro so . . . 
you're my, y, y, y                    (only F C Dm)
Dm                                    down,down-up-down-up-down,down-up,
my true love, my whole heart          down-up,down-down
Bb                       C/E          (only for Bb C/E)
please don't throw that away          Down,down-up-down-up-down,down-up
F            C
cus i'm here for you
Dm
please don't walk away
Bb                    C/E
please tell me you'll stay
F   C   Dm  Bb C/E
Oh, oh , oh, stay

Verse:

F             C
Use me as you will
          Dm
pull my strings
           Bb
just for a thrill
F                   C
and i know i'll be okay
           Dm
though my skies are turning
Bb
gray


Chorus: [x2-3]

F            C
I will never let you fall               on the first play of this chorus
Dm                                      you will only hit each chord
i'll stand up with you                  after that you will strum
  Bb                                    as if this was a verus.
forever
F
i'll be there for you
C
through it all
Dm
even if saving you
      Bb            F
sends me to heaven


And that's it :)