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 couldn't stone
you couldn't stone
he couldn't stone
we couldn't stone
you couldn't stone
they couldn't stone

V-ing form

I couldn't be stoning
you couldn't be stoning
he couldn't be stoning
we couldn't be stoning
you couldn't be stoning
they couldn't be stoning

Perfect

I couldn't have stoned
you couldn't have stoned
he couldn't have stoned
we couldn't have stoned
you couldn't have stoned
they couldn't have stoned

V-ing perfect

I couldn't have been stoning
you couldn't have been stoning
he couldn't have been stoning
we couldn't have been stoning
you couldn't have been stoning
they couldn't 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

couldn't I stone?
couldn't you stone?
couldn't he stone?
couldn't we stone?
couldn't you stone?
couldn't they stone?

V-ing form

couldn't I be stoning?
couldn't you be stoning?
couldn't he be stoning?
couldn't we be stoning?
couldn't you be stoning?
couldn't they be stoning?

Perfect

couldn't I have stoned?
couldn't you have stoned?
couldn't he have stoned?
couldn't we have stoned?
couldn't you have stoned?
couldn't they have stoned?

V-ing perfect

couldn't I have been stoning?
couldn't you have been stoning?
couldn't he have been stoning?
couldn't we have been stoning?
couldn't you have been stoning?
couldn't they have been stoning?

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