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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation COULD PROLIFERATE

Regular verb: proliferate - proliferated - proliferated


Affirmation

Simple form
I could proliferate
you could proliferate
she could proliferate
we could proliferate
you could proliferate
they could proliferate
V-ing form
I could be proliferating
you could be proliferating
she could be proliferating
we could be proliferating
you could be proliferating
they could be proliferating
Perfect
I could have proliferated
you could have proliferated
she 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
she 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
she 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
she 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
she 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
she 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 she proliferate?
could we proliferate?
could you proliferate?
could they proliferate?
V-ing form
could I be proliferating?
could you be proliferating?
could she be proliferating?
could we be proliferating?
could you be proliferating?
could they be proliferating?
Perfect
could I have proliferated?
could you have proliferated?
could she 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 she 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 she 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 she 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 she 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 she not have been proliferating?
could we not have been proliferating?
could you not have been proliferating?
could they not have been proliferating?