might brighten
Regular verb: brighten - brightened- brightened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might brighten
you might brighten
he might brighten
we might brighten
you might brighten
they might brighten 	I might be brightening
you might be brightening
he might be brightening
we might be brightening
you might be brightening
they might be brightening	I might have brightened
you might have brightened
he might have brightened
we might have brightened
you might have brightened
they might have brightened	I might have been brightening
you might have been brightening
he might have been brightening
we might have been brightening
you might have been brightening
they might have been brightening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might not brighten
you might not brighten
he might not brighten
we might not brighten
you might not brighten
they might not brighten 	I might not be brightening
you might not be brightening
he might not be brightening
we might not be brightening
you might not be brightening
they might not be brightening	I might not have brightened
you might not have brightened
he might not have brightened
we might not have brightened
you might not have brightened
they might not have brightened	I might not have been brightening
you might not have been brightening
he might not have been brightening
we might not have been brightening
you might not have been brightening
they might not have been brightening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I brighten?
might you brighten?
might he brighten?
might we brighten?
might you brighten?
might they brighten? 	might I be brightening?
might you be brightening?
might he be brightening?
might we be brightening?
might you be brightening?
might they be brightening? 	might I have brightened?
might you have brightened?
might he have brightened?
might we have brightened?
might you have brightened?
might they have brightened? 	might I have been brightening?
might you have been brightening?
might he have been brightening?
might we have been brightening?
might you have been brightening?
might they have been brightening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I not brighten?
might you not brighten?
might he not brighten?
might we not brighten?
might you not brighten?
might they not brighten? 	might I not be brightening?
might you not be brightening?
might he not be brightening?
might we not be brightening?
might you not be brightening?
might they not be brightening? 	might I not have brightened?
might you not have brightened?
might he not have brightened?
might we not have brightened?
might you not have brightened?
might they not have brightened? 	might I not have been brightening?
might you not have been brightening?
might he not have been brightening?
might we not have been brightening?
might you not have been brightening?
might they not have been brightening?