English verb conjugation COULD AVOUCH

Regular verb: avouch - avouched - avouched

Affirmation

Simple form

I could avouch
you could avouch
he could avouch
we could avouch
you could avouch
they could avouch

V-ing form

I could be avouching
you could be avouching
he could be avouching
we could be avouching
you could be avouching
they could be avouching

Perfect

I could have avouched
you could have avouched
he could have avouched
we could have avouched
you could have avouched
they could have avouched

V-ing perfect

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

Negation

Simple form

I could not avouch
you could not avouch
he could not avouch
we could not avouch
you could not avouch
they could not avouch

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I avouch?
could you avouch?
could he avouch?
could we avouch?
could you avouch?
could they avouch?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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