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