English verb conjugation COULD OVERSTUFF

Regular verb: overstuff - overstuffed - overstuffed

Affirmation

Simple form

I could overstuff
you could overstuff
she could overstuff
we could overstuff
you could overstuff
they could overstuff

V-ing form

I could be overstuffing
you could be overstuffing
she could be overstuffing
we could be overstuffing
you could be overstuffing
they could be overstuffing

Perfect

I could have overstuffed
you could have overstuffed
she 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
she could have been overstuffing
we could have been overstuffing
you could have been overstuffing
they could have been overstuffing

Negation

Simple form

I could not overstuff
you could not overstuff
she could not overstuff
we could not overstuff
you could not overstuff
they could not overstuff

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I overstuff?
could you overstuff?
could she overstuff?
could we overstuff?
could you overstuff?
could they overstuff?

V-ing form

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

Perfect

could I have overstuffed?
could you have overstuffed?
could she 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 she have been overstuffing?
could we have been overstuffing?
could you have been overstuffing?
could they have been overstuffing?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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