English verb conjugation COULD PROLIFERATE

Regular verb: proliferate - proliferated - proliferated

Affirmation

Simple form

I could proliferate
you could proliferate
he could proliferate
we could proliferate
you could proliferate
they could proliferate

V-ing form

I could be proliferating
you could be proliferating
he could be proliferating
we could be proliferating
you could be proliferating
they could be proliferating

Perfect

I could have proliferated
you could have proliferated
he could have proliferated
we could have proliferated
you could have proliferated
they could have proliferated

V-ing perfect

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

Negation

Simple form

I could not proliferate
you could not proliferate
he could not proliferate
we could not proliferate
you could not proliferate
they could not proliferate

V-ing form

I could not be proliferating
you could not be proliferating
he could not be proliferating
we could not be proliferating
you could not be proliferating
they could not be proliferating

Perfect

I could not have proliferated
you could not have proliferated
he could not have proliferated
we could not have proliferated
you could not have proliferated
they could not have proliferated

V-ing perfect

I could not have been proliferating
you could not have been proliferating
he could not have been proliferating
we could not have been proliferating
you could not have been proliferating
they could not have been proliferating

Interrogative form

Simple form

could I proliferate?
could you proliferate?
could he proliferate?
could we proliferate?
could you proliferate?
could they proliferate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not proliferate?
could you not proliferate?
could he not proliferate?
could we not proliferate?
could you not proliferate?
could they not proliferate?

V-ing form

could I not be proliferating?
could you not be proliferating?
could he not be proliferating?
could we not be proliferating?
could you not be proliferating?
could they not be proliferating?

Perfect

could I not have proliferated?
could you not have proliferated?
could he not have proliferated?
could we not have proliferated?
could you not have proliferated?
could they not have proliferated?

V-ing perfect

could I not have been proliferating?
could you not have been proliferating?
could he not have been proliferating?
could we not have been proliferating?
could you not have been proliferating?
could they not have been proliferating?

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