English verb conjugation
MAY LESSEN

Regular verb: lessen - lessened - lessened

Affirmation

Simple form	V-ing form
I may lessen you may lessen he may lessen we may lessen you may lessen they may lessen	I may be lessening you may be lessening he may be lessening we may be lessening you may be lessening they may be lessening
Perfect	V-ing perfect
I may have lessened you may have lessened he may have lessened we may have lessened you may have lessened they may have lessened	I may have been lessening you may have been lessening he may have been lessening we may have been lessening you may have been lessening they may have been lessening

Negation

Simple form	V-ing form
I mayn't lessen you mayn't lessen he mayn't lessen we mayn't lessen you mayn't lessen they mayn't lessen	I mayn't be lessening you mayn't be lessening he mayn't be lessening we mayn't be lessening you mayn't be lessening they mayn't be lessening
Perfect	V-ing perfect
I mayn't have lessened you mayn't have lessened he mayn't have lessened we mayn't have lessened you mayn't have lessened they mayn't have lessened	I mayn't have been lessening you mayn't have been lessening he mayn't have been lessening we mayn't have been lessening you mayn't have been lessening they mayn't have been lessening

Interrogative form

Simple form	V-ing form
may I lessen? may you lessen? may he lessen? may we lessen? may you lessen? may they lessen?	may I be lessening? may you be lessening? may he be lessening? may we be lessening? may you be lessening? may they be lessening?
Perfect	V-ing perfect
may I have lessened? may you have lessened? may he have lessened? may we have lessened? may you have lessened? may they have lessened?	may I have been lessening? may you have been lessening? may he have been lessening? may we have been lessening? may you have been lessening? may they have been lessening?

Interro-negative form

Simple form	V-ing form
mayn't I lessen? mayn't you lessen? mayn't he lessen? mayn't we lessen? mayn't you lessen? mayn't they lessen?	mayn't I be lessening? mayn't you be lessening? mayn't he be lessening? mayn't we be lessening? mayn't you be lessening? mayn't they be lessening?
Perfect	V-ing perfect
mayn't I have lessened? mayn't you have lessened? mayn't he have lessened? mayn't we have lessened? mayn't you have lessened? mayn't they have lessened?	mayn't I have been lessening? mayn't you have been lessening? mayn't he have been lessening? mayn't we have been lessening? mayn't you have been lessening? mayn't they have been lessening?