English verb conjugation COULD DECONGEST

Regular verb: decongest - decongested - decongested

Affirmation

Simple form

I could decongest
you could decongest
he could decongest
we could decongest
you could decongest
they could decongest

V-ing form

I could be decongesting
you could be decongesting
he could be decongesting
we could be decongesting
you could be decongesting
they could be decongesting

Perfect

I could have decongested
you could have decongested
he could have decongested
we could have decongested
you could have decongested
they could have decongested

V-ing perfect

I could have been decongesting
you could have been decongesting
he could have been decongesting
we could have been decongesting
you could have been decongesting
they could have been decongesting

Negation

Simple form

I couldn't decongest
you couldn't decongest
he couldn't decongest
we couldn't decongest
you couldn't decongest
they couldn't decongest

V-ing form

I couldn't be decongesting
you couldn't be decongesting
he couldn't be decongesting
we couldn't be decongesting
you couldn't be decongesting
they couldn't be decongesting

Perfect

I couldn't have decongested
you couldn't have decongested
he couldn't have decongested
we couldn't have decongested
you couldn't have decongested
they couldn't have decongested

V-ing perfect

I couldn't have been decongesting
you couldn't have been decongesting
he couldn't have been decongesting
we couldn't have been decongesting
you couldn't have been decongesting
they couldn't have been decongesting

Interrogative form

Simple form

could I decongest?
could you decongest?
could he decongest?
could we decongest?
could you decongest?
could they decongest?

V-ing form

could I be decongesting?
could you be decongesting?
could he be decongesting?
could we be decongesting?
could you be decongesting?
could they be decongesting?

Perfect

could I have decongested?
could you have decongested?
could he have decongested?
could we have decongested?
could you have decongested?
could they have decongested?

V-ing perfect

could I have been decongesting?
could you have been decongesting?
could he have been decongesting?
could we have been decongesting?
could you have been decongesting?
could they have been decongesting?

Interro-negative form

Simple form

couldn't I decongest?
couldn't you decongest?
couldn't he decongest?
couldn't we decongest?
couldn't you decongest?
couldn't they decongest?

V-ing form

couldn't I be decongesting?
couldn't you be decongesting?
couldn't he be decongesting?
couldn't we be decongesting?
couldn't you be decongesting?
couldn't they be decongesting?

Perfect

couldn't I have decongested?
couldn't you have decongested?
couldn't he have decongested?
couldn't we have decongested?
couldn't you have decongested?
couldn't they have decongested?

V-ing perfect

couldn't I have been decongesting?
couldn't you have been decongesting?
couldn't he have been decongesting?
couldn't we have been decongesting?
couldn't you have been decongesting?
couldn't they have been decongesting?

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