English verb conjugation COULD AID

Regular verb: aid - aided - aided

Affirmation

Simple form

I could aid
you could aid
he could aid
we could aid
you could aid
they could aid

V-ing form

I could be aiding
you could be aiding
he could be aiding
we could be aiding
you could be aiding
they could be aiding

Perfect

I could have aided
you could have aided
he could have aided
we could have aided
you could have aided
they could have aided

V-ing perfect

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

Negation

Simple form

I could not aid
you could not aid
he could not aid
we could not aid
you could not aid
they could not aid

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I aid?
could you aid?
could he aid?
could we aid?
could you aid?
could they aid?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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