RULES TO BE A GHOST

Rules to be a ghost one must abide 
Behind a door you must definitely hide
Come out at night is a positively must
Follow these rules we've just discussed 

Rules to be a ghost never get caught 
Should that happen abandon and abort
Scare people is something you must do
Follow these rules I ask strongly of you 

Rules to be a ghost dress only in white 
Keep well away from the morning light 
If you follow these rules you will find 
A perfect ghost you'll be in body and mind