English verb conjugation
OUGHT TO DECONGEST

Regular verb: decongest - decongested - decongested

Affirmation

Simple form	V-ing form
I ought to decongest you ought to decongest he ought to decongest we ought to decongest you ought to decongest they ought to decongest	I ought to be decongesting you ought to be decongesting he ought to be decongesting we ought to be decongesting you ought to be decongesting they ought to be decongesting
Perfect	V-ing perfect
I ought to have decongested you ought to have decongested he ought to have decongested we ought to have decongested you ought to have decongested they ought to have decongested	I ought to have been decongesting you ought to have been decongesting he ought to have been decongesting we ought to have been decongesting you ought to have been decongesting they ought to have been decongesting

Negation

Simple form	V-ing form
I oughtn't to decongest you oughtn't to decongest he oughtn't to decongest we oughtn't to decongest you oughtn't to decongest they oughtn't to decongest	I oughtn't to be decongesting you oughtn't to be decongesting he oughtn't to be decongesting we oughtn't to be decongesting you oughtn't to be decongesting they oughtn't to be decongesting
Perfect	V-ing perfect
I oughtn't to have decongested you oughtn't to have decongested he oughtn't to have decongested we oughtn't to have decongested you oughtn't to have decongested they oughtn't to have decongested	I oughtn't to have been decongesting you oughtn't to have been decongesting he oughtn't to have been decongesting we oughtn't to have been decongesting you oughtn't to have been decongesting they oughtn't to have been decongesting

Interrogative form

Simple form	V-ing form
ought to I decongest? ought to you decongest? ought to he decongest? ought to we decongest? ought to you decongest? ought to they decongest?	ought to I be decongesting? ought to you be decongesting? ought to he be decongesting? ought to we be decongesting? ought to you be decongesting? ought to they be decongesting?
Perfect	V-ing perfect
ought to I have decongested? ought to you have decongested? ought to he have decongested? ought to we have decongested? ought to you have decongested? ought to they have decongested?	ought to I have been decongesting? ought to you have been decongesting? ought to he have been decongesting? ought to we have been decongesting? ought to you have been decongesting? ought to they have been decongesting?

Interro-negative form

Simple form	V-ing form
oughtn't I to decongest? oughtn't you to decongest? oughtn't he to decongest? oughtn't we to decongest? oughtn't you to decongest? oughtn't they to decongest?	oughtn't I to be decongesting? oughtn't you to be decongesting? oughtn't he to be decongesting? oughtn't we to be decongesting? oughtn't you to be decongesting? oughtn't they to be decongesting?
Perfect	V-ing perfect
oughtn't I to have decongested? oughtn't you to have decongested? oughtn't he to have decongested? oughtn't we to have decongested? oughtn't you to have decongested? oughtn't they to have decongested?	oughtn't I to have been decongesting? oughtn't you to have been decongesting? oughtn't he to have been decongesting? oughtn't we to have been decongesting? oughtn't you to have been decongesting? oughtn't they to have been decongesting?