may brighten
Verbo regular: brighten - brightened- brightened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not brighten
you may not brighten
he may not brighten
we may not brighten
you may not brighten
they may not brighten 	I may not be brightening
you may not be brightening
he may not be brightening
we may not be brightening
you may not be brightening
they may not be brightening	I may not have brightened
you may not have brightened
he may not have brightened
we may not have brightened
you may not have brightened
they may not have brightened	I may not have been brightening
you may not have been brightening
he may not have been brightening
we may not have been brightening
you may not have been brightening
they may not have been brightening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not brighten?
may you not brighten?
may he not brighten?
may we not brighten?
may you not brighten?
may they not brighten? 	may I not be brightening?
may you not be brightening?
may he not be brightening?
may we not be brightening?
may you not be brightening?
may they not be brightening? 	may I not have brightened?
may you not have brightened?
may he not have brightened?
may we not have brightened?
may you not have brightened?
may they not have brightened? 	may I not have been brightening?
may you not have been brightening?
may he not have been brightening?
may we not have been brightening?
may you not have been brightening?
may they not have been brightening?