English verb conjugation COULD PLUMPEN

Regular verb: plumpen - plumpened - plumpened

Affirmation

Simple form

I could plumpen
you could plumpen
she could plumpen
we could plumpen
you could plumpen
they could plumpen

V-ing form

I could be plumpening
you could be plumpening
she could be plumpening
we could be plumpening
you could be plumpening
they could be plumpening

Perfect

I could have plumpened
you could have plumpened
she could have plumpened
we could have plumpened
you could have plumpened
they could have plumpened

V-ing perfect

I could have been plumpening
you could have been plumpening
she could have been plumpening
we could have been plumpening
you could have been plumpening
they could have been plumpening

Negation

Simple form

I could not plumpen
you could not plumpen
she could not plumpen
we could not plumpen
you could not plumpen
they could not plumpen

V-ing form

I could not be plumpening
you could not be plumpening
she could not be plumpening
we could not be plumpening
you could not be plumpening
they could not be plumpening

Perfect

I could not have plumpened
you could not have plumpened
she could not have plumpened
we could not have plumpened
you could not have plumpened
they could not have plumpened

V-ing perfect

I could not have been plumpening
you could not have been plumpening
she could not have been plumpening
we could not have been plumpening
you could not have been plumpening
they could not have been plumpening

Interrogative form

Simple form

could I plumpen?
could you plumpen?
could she plumpen?
could we plumpen?
could you plumpen?
could they plumpen?

V-ing form

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

Perfect

could I have plumpened?
could you have plumpened?
could she have plumpened?
could we have plumpened?
could you have plumpened?
could they have plumpened?

V-ing perfect

could I have been plumpening?
could you have been plumpening?
could she have been plumpening?
could we have been plumpening?
could you have been plumpening?
could they have been plumpening?

Interro-negative form

Simple form

could I not plumpen?
could you not plumpen?
could she not plumpen?
could we not plumpen?
could you not plumpen?
could they not plumpen?

V-ing form

could I not be plumpening?
could you not be plumpening?
could she not be plumpening?
could we not be plumpening?
could you not be plumpening?
could they not be plumpening?

Perfect

could I not have plumpened?
could you not have plumpened?
could she not have plumpened?
could we not have plumpened?
could you not have plumpened?
could they not have plumpened?

V-ing perfect

could I not have been plumpening?
could you not have been plumpening?
could she not have been plumpening?
could we not have been plumpening?
could you not have been plumpening?
could they not have been plumpening?

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