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  A#  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 A# C/E                 The strum pattern for intro is
                              (only for F C D#m)
                              Down,down-up-down-up-down,down-up,down-up
                              down, down
                              Only for A# (C/E)
                              down, down-up-down-up-down,down-up

Verse:

F      C        Dm
When i see your smile
A#                F                 Strum pattern for ALL verses are
tears run down my face              down,down-up-down-up-down,down-up
  C
i cant
Dm     A#
replace
F          
and now that i now i am stronger
        C
i have figured out
         Dm
how this world turns cold and 
A#
breaks through my soul
      F          C          Dm
and i know i'll find deep inside 
    A#
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
  A#                                  strike down at chorus
forever
F
i'll be there for you
C
through it all
Dm
even if saving you
      A#            F
sends me to heaven

Verse:

    C
It's ok
    Dm
it's ok
    A#
it's ok
F 
season are changing
    C
and waves are crashing
    Dm
and stars are falling 
A#
all for us
F
days grow longer
    C
and nights grow shorter
   Dm               A#
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
  A#
forever
F
i'll be there for you
C
through it all
Dm
even if saving you
      A#            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
A#                       C/E          (only for A# 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
A#                    C/E
please tell me you'll stay
F   C   Dm  A# C/E
Oh, oh , oh, stay

Verse:

F             C
Use me as you will
          Dm
pull my strings
           A#
just for a thrill
F                   C
and i know i'll be okay
           Dm
though my skies are turning
A#
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
  A#                                    as if this was a verus.
forever
F
i'll be there for you
C
through it all
Dm
even if saving you
      A#            F
sends me to heaven


And that's it :)