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