may brighten
Verbo regular: brighten - brightened- brightened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may brighten
you may brighten
he may brighten
we may brighten
you may brighten
they may brighten 	I may be brightening
you may be brightening
he may be brightening
we may be brightening
you may be brightening
they may be brightening	I may have brightened
you may have brightened
he may have brightened
we may have brightened
you may have brightened
they may have brightened	I may have been brightening
you may have been brightening
he may have been brightening
we may have been brightening
you may have been brightening
they may have been brightening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't brighten
you mayn't brighten
he mayn't brighten
we mayn't brighten
you mayn't brighten
they mayn't brighten 	I mayn't be brightening
you mayn't be brightening
he mayn't be brightening
we mayn't be brightening
you mayn't be brightening
they mayn't be brightening	I mayn't have brightened
you mayn't have brightened
he mayn't have brightened
we mayn't have brightened
you mayn't have brightened
they mayn't have brightened	I mayn't have been brightening
you mayn't have been brightening
he mayn't have been brightening
we mayn't have been brightening
you mayn't have been brightening
they mayn't have been brightening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I brighten?
may you brighten?
may he brighten?
may we brighten?
may you brighten?
may they brighten? 	may I be brightening?
may you be brightening?
may he be brightening?
may we be brightening?
may you be brightening?
may they be brightening? 	may I have brightened?
may you have brightened?
may he have brightened?
may we have brightened?
may you have brightened?
may they have brightened? 	may I have been brightening?
may you have been brightening?
may he have been brightening?
may we have been brightening?
may you have been brightening?
may they have been brightening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I brighten?
mayn't you brighten?
mayn't he brighten?
mayn't we brighten?
mayn't you brighten?
mayn't they brighten? 	mayn't I be brightening?
mayn't you be brightening?
mayn't he be brightening?
mayn't we be brightening?
mayn't you be brightening?
mayn't they be brightening? 	mayn't I have brightened?
mayn't you have brightened?
mayn't he have brightened?
mayn't we have brightened?
mayn't you have brightened?
mayn't they have brightened? 	mayn't I have been brightening?
mayn't you have been brightening?
mayn't he have been brightening?
mayn't we have been brightening?
mayn't you have been brightening?
mayn't they have been brightening?