English verb conjugation
MUST DECONGEST

Regular verb: decongest - decongested - decongested

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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