may preoccupy
Regular verb: preoccupy - preoccupied- preoccupied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may preoccupy
you may preoccupy
he may preoccupy
we may preoccupy
you may preoccupy
they may preoccupy 	I may be preoccupying
you may be preoccupying
he may be preoccupying
we may be preoccupying
you may be preoccupying
they may be preoccupying	I may have preoccupied
you may have preoccupied
he may have preoccupied
we may have preoccupied
you may have preoccupied
they may have preoccupied	I may have been preoccupying
you may have been preoccupying
he may have been preoccupying
we may have been preoccupying
you may have been preoccupying
they may have been preoccupying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not preoccupy
you may not preoccupy
he may not preoccupy
we may not preoccupy
you may not preoccupy
they may not preoccupy 	I may not be preoccupying
you may not be preoccupying
he may not be preoccupying
we may not be preoccupying
you may not be preoccupying
they may not be preoccupying	I may not have preoccupied
you may not have preoccupied
he may not have preoccupied
we may not have preoccupied
you may not have preoccupied
they may not have preoccupied	I may not have been preoccupying
you may not have been preoccupying
he may not have been preoccupying
we may not have been preoccupying
you may not have been preoccupying
they may not have been preoccupying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I preoccupy?
may you preoccupy?
may he preoccupy?
may we preoccupy?
may you preoccupy?
may they preoccupy? 	may I be preoccupying?
may you be preoccupying?
may he be preoccupying?
may we be preoccupying?
may you be preoccupying?
may they be preoccupying? 	may I have preoccupied?
may you have preoccupied?
may he have preoccupied?
may we have preoccupied?
may you have preoccupied?
may they have preoccupied? 	may I have been preoccupying?
may you have been preoccupying?
may he have been preoccupying?
may we have been preoccupying?
may you have been preoccupying?
may they have been preoccupying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not preoccupy?
may you not preoccupy?
may he not preoccupy?
may we not preoccupy?
may you not preoccupy?
may they not preoccupy? 	may I not be preoccupying?
may you not be preoccupying?
may he not be preoccupying?
may we not be preoccupying?
may you not be preoccupying?
may they not be preoccupying? 	may I not have preoccupied?
may you not have preoccupied?
may he not have preoccupied?
may we not have preoccupied?
may you not have preoccupied?
may they not have preoccupied? 	may I not have been preoccupying?
may you not have been preoccupying?
may he not have been preoccupying?
may we not have been preoccupying?
may you not have been preoccupying?
may they not have been preoccupying?