I might lighten you might lighten he might lighten we might lighten you might lighten they might lighten
V-ing form
I might be lightening you might be lightening he might be lightening we might be lightening you might be lightening they might be lightening
Perfect
I might have lightened you might have lightened he might have lightened we might have lightened you might have lightened they might have lightened
V-ing perfect
I might have been lightening you might have been lightening he might have been lightening we might have been lightening you might have been lightening they might have been lightening
Negation
Simple form
I mightn't lighten you mightn't lighten he mightn't lighten we mightn't lighten you mightn't lighten they mightn't lighten
V-ing form
I mightn't be lightening you mightn't be lightening he mightn't be lightening we mightn't be lightening you mightn't be lightening they mightn't be lightening
Perfect
I mightn't have lightened you mightn't have lightened he mightn't have lightened we mightn't have lightened you mightn't have lightened they mightn't have lightened
V-ing perfect
I mightn't have been lightening you mightn't have been lightening he mightn't have been lightening we mightn't have been lightening you mightn't have been lightening they mightn't have been lightening
Interrogative form
Simple form
might I lighten? might you lighten? might he lighten? might we lighten? might you lighten? might they lighten?
V-ing form
might I be lightening? might you be lightening? might he be lightening? might we be lightening? might you be lightening? might they be lightening?
Perfect
might I have lightened? might you have lightened? might he have lightened? might we have lightened? might you have lightened? might they have lightened?
V-ing perfect
might I have been lightening? might you have been lightening? might he have been lightening? might we have been lightening? might you have been lightening? might they have been lightening?
Interro-negative form
Simple form
mightn't I lighten? mightn't you lighten? mightn't he lighten? mightn't we lighten? mightn't you lighten? mightn't they lighten?
V-ing form
mightn't I be lightening? mightn't you be lightening? mightn't he be lightening? mightn't we be lightening? mightn't you be lightening? mightn't they be lightening?
Perfect
mightn't I have lightened? mightn't you have lightened? mightn't he have lightened? mightn't we have lightened? mightn't you have lightened? mightn't they have lightened?
V-ing perfect
mightn't I have been lightening? mightn't you have been lightening? mightn't he have been lightening? mightn't we have been lightening? mightn't you have been lightening? mightn't they have been lightening?