English verb conjugation
COULD DECONGEST

Regular verb: decongest - decongested - decongested

Affirmation

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

Negation

Simple form	V-ing form
I could not decongest you could not decongest she could not decongest we could not decongest you could not decongest they could not decongest	I could not be decongesting you could not be decongesting she could not be decongesting we could not be decongesting you could not be decongesting they could not be decongesting
Perfect	V-ing perfect
I could not have decongested you could not have decongested she could not have decongested we could not have decongested you could not have decongested they could not have decongested	I could not have been decongesting you could not have been decongesting she could not have been decongesting we could not have been decongesting you could not have been decongesting they could not have been decongesting

Interrogative form

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

Interro-negative form

Simple form	V-ing form
could I not decongest? could you not decongest? could she not decongest? could we not decongest? could you not decongest? could they not decongest?	could I not be decongesting? could you not be decongesting? could she not be decongesting? could we not be decongesting? could you not be decongesting? could they not be decongesting?
Perfect	V-ing perfect
could I not have decongested? could you not have decongested? could she not have decongested? could we not have decongested? could you not have decongested? could they not have decongested?	could I not have been decongesting? could you not have been decongesting? could she not have been decongesting? could we not have been decongesting? could you not have been decongesting? could they not have been decongesting?