I'm sure some of this ain't right, but it's the basics. Enjoy! 
 
Dm                          Am 
I can't believe I'm really meeting 
A girl like you on such a day 
Maybe I'm maybe only dreaming 
Mr Sun come back to stay 
 
Dm            D 
 
  D           C           A G            A                           D 
I am I am I am I am I am I am I know I am...today 
 
D                                        Em  
To a girl like you I don't know what to say 
               F#            G                  A 
A guy like me comes all tongue tied 
D                                Em 
Hello I love you doesn't seem so right 
                    F#                G                   A 
With a girl like you it's love at first sight 
D                                Em 
Hello I love you doesnt mean to say 
                     F#                G                 D 
That a guy like me comes all tongue tied 
 
Chorus: 
 
D                 F#            G            Em   G               A                 D 
Sweet sweet love, it will last it will last, na na na na na na na na   na    x 2 
 
 
I'm guy in love I've never met before 
A girl like you I'll never need again and then 
Do you want me half as much inside 
              F#              G             F  
As I want you till the day I die... 
 
Change 
 
E                      A                      E 
dooh dooh dooh dooh dooh dooh dooh 
 
bah bah bah bah etc etc 
 
D                               Em 
Hello I love you doesnt mean to say 
                      F#              G                 D 
That a guy like me comes all tongue tied 
 
Chorus: 4 or 5 times.