English verb conjugation COULD POSTPONE

Regular verb: postpone - postponed - postponed

Affirmation

Simple form

I could postpone
you could postpone
he could postpone
we could postpone
you could postpone
they could postpone

V-ing form

I could be postponing
you could be postponing
he could be postponing
we could be postponing
you could be postponing
they could be postponing

Perfect

I could have postponed
you could have postponed
he could have postponed
we could have postponed
you could have postponed
they could have postponed

V-ing perfect

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

Negation

Simple form

I could not postpone
you could not postpone
he could not postpone
we could not postpone
you could not postpone
they could not postpone

V-ing form

I could not be postponing
you could not be postponing
he could not be postponing
we could not be postponing
you could not be postponing
they could not be postponing

Perfect

I could not have postponed
you could not have postponed
he could not have postponed
we could not have postponed
you could not have postponed
they could not have postponed

V-ing perfect

I could not have been postponing
you could not have been postponing
he could not have been postponing
we could not have been postponing
you could not have been postponing
they could not have been postponing

Interrogative form

Simple form

could I postpone?
could you postpone?
could he postpone?
could we postpone?
could you postpone?
could they postpone?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not postpone?
could you not postpone?
could he not postpone?
could we not postpone?
could you not postpone?
could they not postpone?

V-ing form

could I not be postponing?
could you not be postponing?
could he not be postponing?
could we not be postponing?
could you not be postponing?
could they not be postponing?

Perfect

could I not have postponed?
could you not have postponed?
could he not have postponed?
could we not have postponed?
could you not have postponed?
could they not have postponed?

V-ing perfect

could I not have been postponing?
could you not have been postponing?
could he not have been postponing?
could we not have been postponing?
could you not have been postponing?
could they not have been postponing?

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