English verb conjugation COULD PETRIFY

Regular verb: petrify - petrified - petrified

Affirmation

Simple form

I could petrify
you could petrify
she could petrify
we could petrify
you could petrify
they could petrify

V-ing form

I could be petrifying
you could be petrifying
she could be petrifying
we could be petrifying
you could be petrifying
they could be petrifying

Perfect

I could have petrified
you could have petrified
she 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
she could have been petrifying
we could have been petrifying
you could have been petrifying
they could have been petrifying

Negation

Simple form

I could not petrify
you could not petrify
she could not petrify
we could not petrify
you could not petrify
they could not petrify

V-ing form

I could not be petrifying
you could not be petrifying
she could not be petrifying
we could not be petrifying
you could not be petrifying
they could not be petrifying

Perfect

I could not have petrified
you could not have petrified
she could not have petrified
we could not have petrified
you could not have petrified
they could not have petrified

V-ing perfect

I could not have been petrifying
you could not have been petrifying
she could not have been petrifying
we could not have been petrifying
you could not have been petrifying
they could not have been petrifying

Interrogative form

Simple form

could I petrify?
could you petrify?
could she petrify?
could we petrify?
could you petrify?
could they petrify?

V-ing form

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

Perfect

could I have petrified?
could you have petrified?
could she 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 she have been petrifying?
could we have been petrifying?
could you have been petrifying?
could they have been petrifying?

Interro-negative form

Simple form

could I not petrify?
could you not petrify?
could she not petrify?
could we not petrify?
could you not petrify?
could they not petrify?

V-ing form

could I not be petrifying?
could you not be petrifying?
could she not be petrifying?
could we not be petrifying?
could you not be petrifying?
could they not be petrifying?

Perfect

could I not have petrified?
could you not have petrified?
could she not have petrified?
could we not have petrified?
could you not have petrified?
could they not have petrified?

V-ing perfect

could I not have been petrifying?
could you not have been petrifying?
could she not have been petrifying?
could we not have been petrifying?
could you not have been petrifying?
could they not have been petrifying?

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