English verb conjugation COULD KILL

Regular verb: kill - killed - killed

Affirmation

Simple form

I could kill
you could kill
he could kill
we could kill
you could kill
they could kill

V-ing form

I could be killing
you could be killing
he could be killing
we could be killing
you could be killing
they could be killing

Perfect

I could have killed
you could have killed
he could have killed
we could have killed
you could have killed
they could have killed

V-ing perfect

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

Negation

Simple form

I could not kill
you could not kill
he could not kill
we could not kill
you could not kill
they could not kill

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I kill?
could you kill?
could he kill?
could we kill?
could you kill?
could they kill?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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