English verb conjugation COULD CONGEST

Regular verb: congest - congested - congested

Affirmation

Simple form

I could congest
you could congest
he could congest
we could congest
you could congest
they could congest

V-ing form

I could be congesting
you could be congesting
he could be congesting
we could be congesting
you could be congesting
they could be congesting

Perfect

I could have congested
you could have congested
he could have congested
we could have congested
you could have congested
they could have congested

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I congest?
could you congest?
could he congest?
could we congest?
could you congest?
could they congest?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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