may overfill
Verbo regular: overfill - overfilled- overfilled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may overfill
you may overfill
he may overfill
we may overfill
you may overfill
they may overfill 	I may be overfilling
you may be overfilling
he may be overfilling
we may be overfilling
you may be overfilling
they may be overfilling	I may have overfilled
you may have overfilled
he may have overfilled
we may have overfilled
you may have overfilled
they may have overfilled	I may have been overfilling
you may have been overfilling
he may have been overfilling
we may have been overfilling
you may have been overfilling
they may have been overfilling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't overfill
you mayn't overfill
he mayn't overfill
we mayn't overfill
you mayn't overfill
they mayn't overfill 	I mayn't be overfilling
you mayn't be overfilling
he mayn't be overfilling
we mayn't be overfilling
you mayn't be overfilling
they mayn't be overfilling	I mayn't have overfilled
you mayn't have overfilled
he mayn't have overfilled
we mayn't have overfilled
you mayn't have overfilled
they mayn't have overfilled	I mayn't have been overfilling
you mayn't have been overfilling
he mayn't have been overfilling
we mayn't have been overfilling
you mayn't have been overfilling
they mayn't have been overfilling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I overfill?
may you overfill?
may he overfill?
may we overfill?
may you overfill?
may they overfill? 	may I be overfilling?
may you be overfilling?
may he be overfilling?
may we be overfilling?
may you be overfilling?
may they be overfilling? 	may I have overfilled?
may you have overfilled?
may he have overfilled?
may we have overfilled?
may you have overfilled?
may they have overfilled? 	may I have been overfilling?
may you have been overfilling?
may he have been overfilling?
may we have been overfilling?
may you have been overfilling?
may they have been overfilling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I overfill?
mayn't you overfill?
mayn't he overfill?
mayn't we overfill?
mayn't you overfill?
mayn't they overfill? 	mayn't I be overfilling?
mayn't you be overfilling?
mayn't he be overfilling?
mayn't we be overfilling?
mayn't you be overfilling?
mayn't they be overfilling? 	mayn't I have overfilled?
mayn't you have overfilled?
mayn't he have overfilled?
mayn't we have overfilled?
mayn't you have overfilled?
mayn't they have overfilled? 	mayn't I have been overfilling?
mayn't you have been overfilling?
mayn't he have been overfilling?
mayn't we have been overfilling?
mayn't you have been overfilling?
mayn't they have been overfilling?