English verb conjugation COULD STONE

Regular verb: stone - stoned - stoned

Affirmation

Simple form

I could stone
you could stone
he could stone
we could stone
you could stone
they could stone

V-ing form

I could be stoning
you could be stoning
he could be stoning
we could be stoning
you could be stoning
they could be stoning

Perfect

I could have stoned
you could have stoned
he could have stoned
we could have stoned
you could have stoned
they could have stoned

V-ing perfect

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

Negation

Simple form

I could not stone
you could not stone
he could not stone
we could not stone
you could not stone
they could not stone

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I stone?
could you stone?
could he stone?
could we stone?
could you stone?
could they stone?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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