English verb conjugation COULD RIGHTEN

Regular verb: righten - rightened - rightened

Affirmation

Simple form

I could righten
you could righten
he could righten
we could righten
you could righten
they could righten

V-ing form

I could be rightening
you could be rightening
he could be rightening
we could be rightening
you could be rightening
they could be rightening

Perfect

I could have rightened
you could have rightened
he could have rightened
we could have rightened
you could have rightened
they could have rightened

V-ing perfect

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

Negation

Simple form

I could not righten
you could not righten
he could not righten
we could not righten
you could not righten
they could not righten

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I righten?
could you righten?
could he righten?
could we righten?
could you righten?
could they righten?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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