I ought to congest you ought to congest he ought to congest we ought to congest you ought to congest they ought to congest
V-ing form
I ought to be congesting you ought to be congesting he ought to be congesting we ought to be congesting you ought to be congesting they ought to be congesting
Perfect
I ought to have congested you ought to have congested he ought to have congested we ought to have congested you ought to have congested they ought to have congested
V-ing perfect
I ought to have been congesting you ought to have been congesting he ought to have been congesting we ought to have been congesting you ought to have been congesting they ought to have been congesting
Negation
Simple form
I oughtn't to congest you oughtn't to congest he oughtn't to congest we oughtn't to congest you oughtn't to congest they oughtn't to congest
V-ing form
I oughtn't to be congesting you oughtn't to be congesting he oughtn't to be congesting we oughtn't to be congesting you oughtn't to be congesting they oughtn't to be congesting
Perfect
I oughtn't to have congested you oughtn't to have congested he oughtn't to have congested we oughtn't to have congested you oughtn't to have congested they oughtn't to have congested
V-ing perfect
I oughtn't to have been congesting you oughtn't to have been congesting he oughtn't to have been congesting we oughtn't to have been congesting you oughtn't to have been congesting they oughtn't to have been congesting
Interrogative form
Simple form
ought to I congest? ought to you congest? ought to he congest? ought to we congest? ought to you congest? ought to they congest?
V-ing form
ought to I be congesting? ought to you be congesting? ought to he be congesting? ought to we be congesting? ought to you be congesting? ought to they be congesting?
Perfect
ought to I have congested? ought to you have congested? ought to he have congested? ought to we have congested? ought to you have congested? ought to they have congested?
V-ing perfect
ought to I have been congesting? ought to you have been congesting? ought to he have been congesting? ought to we have been congesting? ought to you have been congesting? ought to they have been congesting?
Interro-negative form
Simple form
oughtn't I to congest? oughtn't you to congest? oughtn't he to congest? oughtn't we to congest? oughtn't you to congest? oughtn't they to congest?
V-ing form
oughtn't I to be congesting? oughtn't you to be congesting? oughtn't he to be congesting? oughtn't we to be congesting? oughtn't you to be congesting? oughtn't they to be congesting?
Perfect
oughtn't I to have congested? oughtn't you to have congested? oughtn't he to have congested? oughtn't we to have congested? oughtn't you to have congested? oughtn't they to have congested?
V-ing perfect
oughtn't I to have been congesting? oughtn't you to have been congesting? oughtn't he to have been congesting? oughtn't we to have been congesting? oughtn't you to have been congesting? oughtn't they to have been congesting?