English verb conjugation COULD PREINFORM

Regular verb: preinform - preinformed - preinformed

Affirmation

Simple form

I could preinform
you could preinform
he could preinform
we could preinform
you could preinform
they could preinform

V-ing form

I could be preinforming
you could be preinforming
he could be preinforming
we could be preinforming
you could be preinforming
they could be preinforming

Perfect

I could have preinformed
you could have preinformed
he could have preinformed
we could have preinformed
you could have preinformed
they could have preinformed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I preinform?
could you preinform?
could he preinform?
could we preinform?
could you preinform?
could they preinform?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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