English verb conjugation
CAN DECONGEST

Regular verb: decongest - decongested - decongested

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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