English verb conjugation COULD DISPROVE

Regular verb: disprove - disproved - disproved

Affirmation

Simple form

I could disprove
you could disprove
he could disprove
we could disprove
you could disprove
they could disprove

V-ing form

I could be disproving
you could be disproving
he could be disproving
we could be disproving
you could be disproving
they could be disproving

Perfect

I could have disproved
you could have disproved
he could have disproved
we could have disproved
you could have disproved
they could have disproved

V-ing perfect

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

Negation

Simple form

I could not disprove
you could not disprove
he could not disprove
we could not disprove
you could not disprove
they could not disprove

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I disprove?
could you disprove?
could he disprove?
could we disprove?
could you disprove?
could they disprove?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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