English verb conjugation COULD PLUMPEN

Regular verb: plumpen - plumpened - plumpened

Affirmation

Simple form

I could plumpen
you could plumpen
he could plumpen
we could plumpen
you could plumpen
they could plumpen

V-ing form

I could be plumpening
you could be plumpening
he could be plumpening
we could be plumpening
you could be plumpening
they could be plumpening

Perfect

I could have plumpened
you could have plumpened
he 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
he could have been plumpening
we could have been plumpening
you could have been plumpening
they could have been plumpening

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I plumpen?
could you plumpen?
could he plumpen?
could we plumpen?
could you plumpen?
could they plumpen?

V-ing form

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

Perfect

could I have plumpened?
could you have plumpened?
could he 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 he have been plumpening?
could we have been plumpening?
could you have been plumpening?
could they have been plumpening?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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