English verb conjugation COULD FORESTALL

Regular verb: forestall - forestalled - forestalled

Affirmation

Simple form

I could forestall
you could forestall
he could forestall
we could forestall
you could forestall
they could forestall

V-ing form

I could be forestalling
you could be forestalling
he could be forestalling
we could be forestalling
you could be forestalling
they could be forestalling

Perfect

I could have forestalled
you could have forestalled
he could have forestalled
we could have forestalled
you could have forestalled
they could have forestalled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I forestall?
could you forestall?
could he forestall?
could we forestall?
could you forestall?
could they forestall?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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