English verb conjugation COULD GRIDIRON

Regular verb: gridiron - gridironed - gridironed

Affirmation

Simple form

I could gridiron
you could gridiron
he could gridiron
we could gridiron
you could gridiron
they could gridiron

V-ing form

I could be gridironing
you could be gridironing
he could be gridironing
we could be gridironing
you could be gridironing
they could be gridironing

Perfect

I could have gridironed
you could have gridironed
he could have gridironed
we could have gridironed
you could have gridironed
they could have gridironed

V-ing perfect

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

Negation

Simple form

I couldn't gridiron
you couldn't gridiron
he couldn't gridiron
we couldn't gridiron
you couldn't gridiron
they couldn't gridiron

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I gridiron?
could you gridiron?
could he gridiron?
could we gridiron?
could you gridiron?
could they gridiron?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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