I ought to den you ought to den she ought to den we ought to den you ought to den they ought to den
V-ing form
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
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
V-ing perfect
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
I ought not to den you ought not to den she ought not to den we ought not to den you ought not to den they ought not to den
V-ing form
I ought not to dening you ought not to dening she ought not to dening we ought not to dening you ought not to dening they ought not to dening
Perfect
I ought not to have dened you ought not to have dened she ought not to have dened we ought not to have dened you ought not to have dened they ought not to have dened
V-ing perfect
I ought not to have been dening you ought not to have been dening she ought not to have been dening we ought not to have been dening you ought not to have been dening they ought not to have been dening
Interrogative form
Simple 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?
V-ing form
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
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?
V-ing perfect
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
ought I not to den? ought you not to den? ought she not to den? ought we not to den? ought you not to den? ought they not to den?
V-ing form
ought I not to be dening? ought you not to be dening? ought she not to be dening? ought we not to be dening? ought you not to be dening? ought they not to be dening?
Perfect
ought I not to have dened? ought you not to have dened? ought she not to have dened? ought we not to have dened? ought you not to have dened? ought they not to have dened?
V-ing perfect
ought I not to have been dening? ought you not to have been dening? ought she not to have been dening? ought we not to have been dening? ought you not to have been dening? ought they not to have been dening?