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 couldn't promise
you couldn't promise
he couldn't promise
we couldn't promise
you couldn't promise
they couldn't promise

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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