English verb conjugation COULD OVERSTUFF

Regular verb: overstuff - overstuffed - overstuffed

Affirmation

Simple form

I could overstuff
you could overstuff
he could overstuff
we could overstuff
you could overstuff
they could overstuff

V-ing form

I could be overstuffing
you could be overstuffing
he could be overstuffing
we could be overstuffing
you could be overstuffing
they could be overstuffing

Perfect

I could have overstuffed
you could have overstuffed
he could have overstuffed
we could have overstuffed
you could have overstuffed
they could have overstuffed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I overstuff?
could you overstuff?
could he overstuff?
could we overstuff?
could you overstuff?
could they overstuff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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