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