English verb conjugation COULD POISON

Regular verb: poison - poisoned - poisoned

Affirmation

Simple form

I could poison
you could poison
he could poison
we could poison
you could poison
they could poison

V-ing form

I could be poisoning
you could be poisoning
he could be poisoning
we could be poisoning
you could be poisoning
they could be poisoning

Perfect

I could have poisoned
you could have poisoned
he could have poisoned
we could have poisoned
you could have poisoned
they could have poisoned

V-ing perfect

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

Negation

Simple form

I could not poison
you could not poison
he could not poison
we could not poison
you could not poison
they could not poison

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I poison?
could you poison?
could he poison?
could we poison?
could you poison?
could they poison?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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