English verb conjugation
SHOULD LESSEN

Regular verb: lessen - lessened - lessened

Affirmation

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

Negation

Simple form	V-ing form
I should not lessen you should not lessen she should not lessen we should not lessen you should not lessen they should not lessen	I should not be lessening you should not be lessening she should not be lessening we should not be lessening you should not be lessening they should not be lessening
Perfect	V-ing perfect
I should not have lessened you should not have lessened she should not have lessened we should not have lessened you should not have lessened they should not have lessened	I should not have been lessening you should not have been lessening she should not have been lessening we should not have been lessening you should not have been lessening they should not have been lessening

Interrogative form

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

Interro-negative form

Simple form	V-ing form
should I not lessen? should you not lessen? should she not lessen? should we not lessen? should you not lessen? should they not lessen?	should I not be lessening? should you not be lessening? should she not be lessening? should we not be lessening? should you not be lessening? should they not be lessening?
Perfect	V-ing perfect
should I not have lessened? should you not have lessened? should she not have lessened? should we not have lessened? should you not have lessened? should they not have lessened?	should I not have been lessening? should you not have been lessening? should she not have been lessening? should we not have been lessening? should you not have been lessening? should they not have been lessening?