English verb conjugation COULD PETRIFY

Regular verb: petrify - petrified - petrified

Affirmation

Simple form

I could petrify
you could petrify
he could petrify
we could petrify
you could petrify
they could petrify

V-ing form

I could be petrifying
you could be petrifying
he could be petrifying
we could be petrifying
you could be petrifying
they could be petrifying

Perfect

I could have petrified
you could have petrified
he could have petrified
we could have petrified
you could have petrified
they could have petrified

V-ing perfect

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

Negation

Simple form

I couldn't petrify
you couldn't petrify
he couldn't petrify
we couldn't petrify
you couldn't petrify
they couldn't petrify

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I petrify?
could you petrify?
could he petrify?
could we petrify?
could you petrify?
could they petrify?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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