English verb conjugation COULD VITIATE

Regular verb: vitiate - vitiated - vitiated

Affirmation

Simple form

I could vitiate
you could vitiate
he could vitiate
we could vitiate
you could vitiate
they could vitiate

V-ing form

I could be vitiating
you could be vitiating
he could be vitiating
we could be vitiating
you could be vitiating
they could be vitiating

Perfect

I could have vitiated
you could have vitiated
he could have vitiated
we could have vitiated
you could have vitiated
they could have vitiated

V-ing perfect

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

Negation

Simple form

I could not vitiate
you could not vitiate
he could not vitiate
we could not vitiate
you could not vitiate
they could not vitiate

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I vitiate?
could you vitiate?
could he vitiate?
could we vitiate?
could you vitiate?
could they vitiate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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