English verb conjugation COULD CONGEST

Regular verb: congest - congested - congested

Affirmation

Simple form

I could congest
you could congest
she could congest
we could congest
you could congest
they could congest

V-ing form

I could be congesting
you could be congesting
she could be congesting
we could be congesting
you could be congesting
they could be congesting

Perfect

I could have congested
you could have congested
she 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
she 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
she 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
she 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
she 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
she 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 she congest?
could we congest?
could you congest?
could they congest?

V-ing form

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

Perfect

could I have congested?
could you have congested?
could she 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 she 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 she 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 she 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 she 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 she 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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