C5
-----0-------0------ | 
-----1-------1------ | 
-0-0-0-0-0-0-0-0---- | 
-2-2-2-2-2-2-2-2---- | 
-3-3---3-3-3---3---- | 
-------------------- | 

F5

-----1-----1-------- | 
-----1-----1-------- | 
-2-2-2-2-2-2-2------ | 
-3-3-3-3-3-3-3------ | 
-3-3---3-3---3------ | 
-------------------- | 

All the other chords are played just like C and F.

Intro:

C5 C5 F5 F5 x2

C5   C5   F5       F5
Better listen closely

C5   C5        F5       F5       A5   E5
I guess that I have not got long

F5    D5        F5    F5
Promise you'll tell her

F5         F5        C5     C5    F5    F5
She's my favorite girl

C5   C5  F5        F5
Can I make her happy?

C5   C5        F5       F5       A5   E5
I guess that I have not got long

F5   D5         F5    F5
Promise you'll tell her

F5         F5        C5   C5     F5     
F5  C5
She's my favorite girl    in all the world

F5        F5  C5
In all the world, in all the world
In all the world, in all the world
In all the world, in all the world
In all the world

If trere are mistakes in the text, just be sure to play the missing parts like here.