English verb conjugation COULD DEVITRIFY

Regular verb: devitrify - devitrified - devitrified

Affirmation

Simple form

I could devitrify
you could devitrify
he could devitrify
we could devitrify
you could devitrify
they could devitrify

V-ing form

I could be devitrifying
you could be devitrifying
he could be devitrifying
we could be devitrifying
you could be devitrifying
they could be devitrifying

Perfect

I could have devitrified
you could have devitrified
he could have devitrified
we could have devitrified
you could have devitrified
they could have devitrified

V-ing perfect

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

Negation

Simple form

I could not devitrify
you could not devitrify
he could not devitrify
we could not devitrify
you could not devitrify
they could not devitrify

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I devitrify?
could you devitrify?
could he devitrify?
could we devitrify?
could you devitrify?
could they devitrify?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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