English verb conjugation
OUGHT TO LESSEN

Regular verb: lessen - lessened - lessened

Affirmation

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

Negation

Simple form	V-ing form
I oughtn't to lessen you oughtn't to lessen she oughtn't to lessen we oughtn't to lessen you oughtn't to lessen they oughtn't to lessen	I oughtn't to be lessening you oughtn't to be lessening she oughtn't to be lessening we oughtn't to be lessening you oughtn't to be lessening they oughtn't to be lessening
Perfect	V-ing perfect
I oughtn't to have lessened you oughtn't to have lessened she oughtn't to have lessened we oughtn't to have lessened you oughtn't to have lessened they oughtn't to have lessened	I oughtn't to have been lessening you oughtn't to have been lessening she oughtn't to have been lessening we oughtn't to have been lessening you oughtn't to have been lessening they oughtn't to have been lessening

Interrogative form

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

Interro-negative form

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