may preoccupy
Regular verb: preoccupy - preoccupied- preoccupied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may preoccupy
you may preoccupy
she may preoccupy
we may preoccupy
you may preoccupy
they may preoccupy 	I may be preoccupying
you may be preoccupying
she may be preoccupying
we may be preoccupying
you may be preoccupying
they may be preoccupying	I may have preoccupied
you may have preoccupied
she 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
she 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 mayn't preoccupy
you mayn't preoccupy
she mayn't preoccupy
we mayn't preoccupy
you mayn't preoccupy
they mayn't preoccupy 	I mayn't be preoccupying
you mayn't be preoccupying
she mayn't be preoccupying
we mayn't be preoccupying
you mayn't be preoccupying
they mayn't be preoccupying	I mayn't have preoccupied
you mayn't have preoccupied
she mayn't have preoccupied
we mayn't have preoccupied
you mayn't have preoccupied
they mayn't have preoccupied	I mayn't have been preoccupying
you mayn't have been preoccupying
she mayn't have been preoccupying
we mayn't have been preoccupying
you mayn't have been preoccupying
they mayn't have been preoccupying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I preoccupy?
may you preoccupy?
may she preoccupy?
may we preoccupy?
may you preoccupy?
may they preoccupy? 	may I be preoccupying?
may you be preoccupying?
may she be preoccupying?
may we be preoccupying?
may you be preoccupying?
may they be preoccupying? 	may I have preoccupied?
may you have preoccupied?
may she 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 she 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 	
mayn't I preoccupy?
mayn't you preoccupy?
mayn't she preoccupy?
mayn't we preoccupy?
mayn't you preoccupy?
mayn't they preoccupy? 	mayn't I be preoccupying?
mayn't you be preoccupying?
mayn't she be preoccupying?
mayn't we be preoccupying?
mayn't you be preoccupying?
mayn't they be preoccupying? 	mayn't I have preoccupied?
mayn't you have preoccupied?
mayn't she have preoccupied?
mayn't we have preoccupied?
mayn't you have preoccupied?
mayn't they have preoccupied? 	mayn't I have been preoccupying?
mayn't you have been preoccupying?
mayn't she have been preoccupying?
mayn't we have been preoccupying?
mayn't you have been preoccupying?
mayn't they have been preoccupying?