English verb conjugation
OUGHT TO DEN

Regular verb: den - dened - dened

Affirmation

Simple form	V-ing form
I ought to den you ought to den she ought to den we ought to den you ought to den they ought to den	I ought to be dening you ought to be dening she ought to be dening we ought to be dening you ought to be dening they ought to be dening
Perfect	V-ing perfect
I ought to have dened you ought to have dened she ought to have dened we ought to have dened you ought to have dened they ought to have dened	I ought to have been dening you ought to have been dening she ought to have been dening we ought to have been dening you ought to have been dening they ought to have been dening

Negation

Simple form	V-ing form
I oughtn't to den you oughtn't to den she oughtn't to den we oughtn't to den you oughtn't to den they oughtn't to den	I oughtn't to be dening you oughtn't to be dening she oughtn't to be dening we oughtn't to be dening you oughtn't to be dening they oughtn't to be dening
Perfect	V-ing perfect
I oughtn't to have dened you oughtn't to have dened she oughtn't to have dened we oughtn't to have dened you oughtn't to have dened they oughtn't to have dened	I oughtn't to have been dening you oughtn't to have been dening she oughtn't to have been dening we oughtn't to have been dening you oughtn't to have been dening they oughtn't to have been dening

Interrogative form

Simple form	V-ing form
ought to I den? ought to you den? ought to she den? ought to we den? ought to you den? ought to they den?	ought to I be dening? ought to you be dening? ought to she be dening? ought to we be dening? ought to you be dening? ought to they be dening?
Perfect	V-ing perfect
ought to I have dened? ought to you have dened? ought to she have dened? ought to we have dened? ought to you have dened? ought to they have dened?	ought to I have been dening? ought to you have been dening? ought to she have been dening? ought to we have been dening? ought to you have been dening? ought to they have been dening?

Interro-negative form

Simple form	V-ing form
oughtn't I to den? oughtn't you to den? oughtn't she to den? oughtn't we to den? oughtn't you to den? oughtn't they to den?	oughtn't I to be dening? oughtn't you to be dening? oughtn't she to be dening? oughtn't we to be dening? oughtn't you to be dening? oughtn't they to be dening?
Perfect	V-ing perfect
oughtn't I to have dened? oughtn't you to have dened? oughtn't she to have dened? oughtn't we to have dened? oughtn't you to have dened? oughtn't they to have dened?	oughtn't I to have been dening? oughtn't you to have been dening? oughtn't she to have been dening? oughtn't we to have been dening? oughtn't you to have been dening? oughtn't they to have been dening?