English verb conjugation COULD VITRIFY

Regular verb: vitrify - vitrified - vitrified

Affirmation

Simple form

I could vitrify
you could vitrify
she could vitrify
we could vitrify
you could vitrify
they could vitrify

V-ing form

I could be vitrifying
you could be vitrifying
she could be vitrifying
we could be vitrifying
you could be vitrifying
they could be vitrifying

Perfect

I could have vitrified
you could have vitrified
she could have vitrified
we could have vitrified
you could have vitrified
they could have vitrified

V-ing perfect

I could have been vitrifying
you could have been vitrifying
she could have been vitrifying
we could have been vitrifying
you could have been vitrifying
they could have been vitrifying

Negation

Simple form

I couldn't vitrify
you couldn't vitrify
she couldn't vitrify
we couldn't vitrify
you couldn't vitrify
they couldn't vitrify

V-ing form

I couldn't be vitrifying
you couldn't be vitrifying
she couldn't be vitrifying
we couldn't be vitrifying
you couldn't be vitrifying
they couldn't be vitrifying

Perfect

I couldn't have vitrified
you couldn't have vitrified
she couldn't have vitrified
we couldn't have vitrified
you couldn't have vitrified
they couldn't have vitrified

V-ing perfect

I couldn't have been vitrifying
you couldn't have been vitrifying
she couldn't have been vitrifying
we couldn't have been vitrifying
you couldn't have been vitrifying
they couldn't have been vitrifying

Interrogative form

Simple form

could I vitrify?
could you vitrify?
could she vitrify?
could we vitrify?
could you vitrify?
could they vitrify?

V-ing form

could I be vitrifying?
could you be vitrifying?
could she be vitrifying?
could we be vitrifying?
could you be vitrifying?
could they be vitrifying?

Perfect

could I have vitrified?
could you have vitrified?
could she have vitrified?
could we have vitrified?
could you have vitrified?
could they have vitrified?

V-ing perfect

could I have been vitrifying?
could you have been vitrifying?
could she have been vitrifying?
could we have been vitrifying?
could you have been vitrifying?
could they have been vitrifying?

Interro-negative form

Simple form

couldn't I vitrify?
couldn't you vitrify?
couldn't she vitrify?
couldn't we vitrify?
couldn't you vitrify?
couldn't they vitrify?

V-ing form

couldn't I be vitrifying?
couldn't you be vitrifying?
couldn't she be vitrifying?
couldn't we be vitrifying?
couldn't you be vitrifying?
couldn't they be vitrifying?

Perfect

couldn't I have vitrified?
couldn't you have vitrified?
couldn't she have vitrified?
couldn't we have vitrified?
couldn't you have vitrified?
couldn't they have vitrified?

V-ing perfect

couldn't I have been vitrifying?
couldn't you have been vitrifying?
couldn't she have been vitrifying?
couldn't we have been vitrifying?
couldn't you have been vitrifying?
couldn't they have been vitrifying?

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