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 (133211@1) C (x32010@1) Dm (xx0231@1)Bb (x1333x@1)C/E (x3111x@5)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 (133211@1)name="chord_x32010@1">C Dm (xx0231@1)name="chord_x1333x@1">Bb C/E (x3111x@5)               The strum pattern for intro is
                              (only for F (133211@1)name="chord_x32010@1">C Ebm)
                              Down,down-up-down-up-down,down-up,down-up
                              down, down
                              Only for Bb(C/E) (x1333x@1)                              down, down-up-down-up-down,down-up

Verse:

F (133211@1)    C (x32010@1)      DmWhen (xx0231@1)i see your smile
Bb (x1333x@1)              F (133211@1)               Strum pattern for ALL verses are
tears run down my face              down,down-up-down-up-down,down-up
  Ci (x32010@1)cant
Dm (xx0231@1)   Bbreplace (x1333x@1)F (133211@1)        
and now that i now i am stronger
        Ci (x32010@1)have figured out
         Dmhow (xx0231@1)this world turns cold and 
Bbbreaks (x1333x@1)through my soul
      F (133211@1)        C (x32010@1)        Dmand (xx0231@1)i know i'll find deep inside 
    Bbi (x1333x@1)can be the one

Chorus:

F (133211@1)          CI (x32010@1)will never let you fall             There is no strum pattern for chorus'
Dm (xx0231@1)                                  except for the last 2 at the end
i'll stand up with you                during fade out of song. so just
  Bb (x1333x@1)                                strike down at chorus
forever
Fi'll (133211@1)be there for you
Cthrough (x32010@1)it all
Dmeven (xx0231@1)if saving you
      Bb (x1333x@1)          Fsends (133211@1)me to heaven

Verse:

    CIt's (x32010@1)ok
    Dmit's (xx0231@1)ok
    Bbit's (x1333x@1)ok
F (133211@1)season are changing
    Cand (x32010@1)waves are crashing
    Dmand (xx0231@1)stars are falling 
Bball (x1333x@1)for us
Fdays (133211@1)grow longer
    Cand (x32010@1)nights grow shorter
   Dm (xx0231@1)             Bbi (x1333x@1)can show you i can be the one

Chorus:

F (133211@1)          CI (x32010@1)will never let you fall
Dmi'll (xx0231@1)stand up with you
  Bbforever (x1333x@1)Fi'll (133211@1)be there for you
Cthrough (x32010@1)it all
Dmeven (xx0231@1)if saving you
      Bb (x1333x@1)          Fsends (133211@1)me to heaven

Bridge:

     FCus (133211@1)you're my                         the bride strumming is just like the 
C (x32010@1)                                   intro so . . . 
you're my, y, y, y                    (only F (133211@1)name="chord_x32010@1">C Dm)
Dm (xx0231@1)                                  down,down-up-down-up-down,down-up,
my true love, my whole heart          down-up,down-down
Bb (x1333x@1)                     C/E (x3111x@5)        (only for BbC/E) (x1333x@1)please don't throw that away          Down,down-up-down-up-down,down-up
F (133211@1)          Ccus (x32010@1)i'm here for you
Dmplease (xx0231@1)don't walk away
Bb (x1333x@1)                  C/Eplease (x3111x@5)tell me you'll stay
F (133211@1) C (x32010@1) Dm (xx0231@1)Bb (x1333x@1)name="chord_x3111x@5">C/E
Oh, oh , oh, stay

Verse:

F (133211@1)           CUse (x32010@1)me as you will
          Dmpull (xx0231@1)my strings
           Bbjust (x1333x@1)for a thrill
F (133211@1)                 Cand (x32010@1)i know i'll be okay
           Dmthough (xx0231@1)my skies are turning
Bbgray (x1333x@1)

Chorus: [x2-3]

F (133211@1)          CI (x32010@1)will never let you fall               on the first play of this chorus
Dm (xx0231@1)                                    you will only hit each chord
i'll stand up with you                  after that you will strum
  Bb (x1333x@1)                                  as if this was averus. (x02210@1)forever
Fi'll (133211@1)be there for you
Cthrough (x32010@1)it all
Dmeven (xx0231@1)if saving you
      Bb (x1333x@1)          Fsends (133211@1)me to heaven


And that's it :)