English verb conjugation COULD SHRIEK

Regular verb: shriek - shrieked - shrieked

Affirmation

Simple form

I could shriek
you could shriek
she could shriek
we could shriek
you could shriek
they could shriek

V-ing form

I could be shrieking
you could be shrieking
she could be shrieking
we could be shrieking
you could be shrieking
they could be shrieking

Perfect

I could have shrieked
you could have shrieked
she could have shrieked
we could have shrieked
you could have shrieked
they could have shrieked

V-ing perfect

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

Negation

Simple form

I could not shriek
you could not shriek
she could not shriek
we could not shriek
you could not shriek
they could not shriek

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I shriek?
could you shriek?
could she shriek?
could we shriek?
could you shriek?
could they shriek?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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