may staff
Verbo regular: staff - staffed- staffed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may staff
you may staff
he may staff
we may staff
you may staff
they may staff 	I may be staffing
you may be staffing
he may be staffing
we may be staffing
you may be staffing
they may be staffing	I may have staffed
you may have staffed
he may have staffed
we may have staffed
you may have staffed
they may have staffed	I may have been staffing
you may have been staffing
he may have been staffing
we may have been staffing
you may have been staffing
they may have been staffing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't staff
you mayn't staff
he mayn't staff
we mayn't staff
you mayn't staff
they mayn't staff 	I mayn't be staffing
you mayn't be staffing
he mayn't be staffing
we mayn't be staffing
you mayn't be staffing
they mayn't be staffing	I mayn't have staffed
you mayn't have staffed
he mayn't have staffed
we mayn't have staffed
you mayn't have staffed
they mayn't have staffed	I mayn't have been staffing
you mayn't have been staffing
he mayn't have been staffing
we mayn't have been staffing
you mayn't have been staffing
they mayn't have been staffing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I staff?
may you staff?
may he staff?
may we staff?
may you staff?
may they staff? 	may I be staffing?
may you be staffing?
may he be staffing?
may we be staffing?
may you be staffing?
may they be staffing? 	may I have staffed?
may you have staffed?
may he have staffed?
may we have staffed?
may you have staffed?
may they have staffed? 	may I have been staffing?
may you have been staffing?
may he have been staffing?
may we have been staffing?
may you have been staffing?
may they have been staffing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I staff?
mayn't you staff?
mayn't he staff?
mayn't we staff?
mayn't you staff?
mayn't they staff? 	mayn't I be staffing?
mayn't you be staffing?
mayn't he be staffing?
mayn't we be staffing?
mayn't you be staffing?
mayn't they be staffing? 	mayn't I have staffed?
mayn't you have staffed?
mayn't he have staffed?
mayn't we have staffed?
mayn't you have staffed?
mayn't they have staffed? 	mayn't I have been staffing?
mayn't you have been staffing?
mayn't he have been staffing?
mayn't we have been staffing?
mayn't you have been staffing?
mayn't they have been staffing?