The main chords are:
C------Em-------F-----G
And it repeats the entire song.

  C            Em
Lonely im so lonely,
         F
I have nobody,
           G
To call my owwnnn
      C              Em    
Im so lonely, im mr. Lonely
       F    
I have nobody,
           G 
To call my owwnnn
      C
Im so lonely, 
***REPEAT THE SAME CHORD PROGRESSION THROUGHOUT THE ENTIRE SONG***