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 couldn't stultify
you couldn't stultify
he couldn't stultify
we couldn't stultify
you couldn't stultify
they couldn't stultify

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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