English verb conjugation COULD PROMISE

Regular verb: promise - promised - promised

Affirmation

Simple form

I could promise
you could promise
he could promise
we could promise
you could promise
they could promise

V-ing form

I could be promising
you could be promising
he could be promising
we could be promising
you could be promising
they could be promising

Perfect

I could have promised
you could have promised
he could have promised
we could have promised
you could have promised
they could have promised

V-ing perfect

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

Negation

Simple form

I could not promise
you could not promise
he could not promise
we could not promise
you could not promise
they could not promise

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I promise?
could you promise?
could he promise?
could we promise?
could you promise?
could they promise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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