English verb conjugation COULD STULTIFY

Regular verb: stultify - stultified - stultified

Affirmation

Simple form

I could stultify
you could stultify
he could stultify
we could stultify
you could stultify
they could stultify

V-ing form

I could be stultifying
you could be stultifying
he could be stultifying
we could be stultifying
you could be stultifying
they could be stultifying

Perfect

I could have stultified
you could have stultified
he could have stultified
we could have stultified
you could have stultified
they could have stultified

V-ing perfect

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

Negation

Simple form

I could not stultify
you could not stultify
he could not stultify
we could not stultify
you could not stultify
they could not stultify

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I stultify?
could you stultify?
could he stultify?
could we stultify?
could you stultify?
could they stultify?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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