might brighten
Regular verb: brighten - brightened- brightened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might brighten
you might brighten
she might brighten
we might brighten
you might brighten
they might brighten 	I might be brightening
you might be brightening
she might be brightening
we might be brightening
you might be brightening
they might be brightening	I might have brightened
you might have brightened
she 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
she 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 mightn't brighten
you mightn't brighten
she mightn't brighten
we mightn't brighten
you mightn't brighten
they mightn't brighten 	I mightn't be brightening
you mightn't be brightening
she mightn't be brightening
we mightn't be brightening
you mightn't be brightening
they mightn't be brightening	I mightn't have brightened
you mightn't have brightened
she mightn't have brightened
we mightn't have brightened
you mightn't have brightened
they mightn't have brightened	I mightn't have been brightening
you mightn't have been brightening
she mightn't have been brightening
we mightn't have been brightening
you mightn't have been brightening
they mightn't have been brightening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I brighten?
might you brighten?
might she brighten?
might we brighten?
might you brighten?
might they brighten? 	might I be brightening?
might you be brightening?
might she be brightening?
might we be brightening?
might you be brightening?
might they be brightening? 	might I have brightened?
might you have brightened?
might she 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 she 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 	
mightn't I brighten?
mightn't you brighten?
mightn't she brighten?
mightn't we brighten?
mightn't you brighten?
mightn't they brighten? 	mightn't I be brightening?
mightn't you be brightening?
mightn't she be brightening?
mightn't we be brightening?
mightn't you be brightening?
mightn't they be brightening? 	mightn't I have brightened?
mightn't you have brightened?
mightn't she have brightened?
mightn't we have brightened?
mightn't you have brightened?
mightn't they have brightened? 	mightn't I have been brightening?
mightn't you have been brightening?
mightn't she have been brightening?
mightn't we have been brightening?
mightn't you have been brightening?
mightn't they have been brightening?