English verb conjugation COULD SHRIEK

Regular verb: shriek - shrieked - shrieked

Affirmation

Simple form

I could shriek
you could shriek
he could shriek
we could shriek
you could shriek
they could shriek

V-ing form

I could be shrieking
you could be shrieking
he could be shrieking
we could be shrieking
you could be shrieking
they could be shrieking

Perfect

I could have shrieked
you could have shrieked
he 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
he could have been shrieking
we could have been shrieking
you could have been shrieking
they could have been shrieking

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I shriek?
could you shriek?
could he shriek?
could we shriek?
could you shriek?
could they shriek?

V-ing form

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

Perfect

could I have shrieked?
could you have shrieked?
could he 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 he have been shrieking?
could we have been shrieking?
could you have been shrieking?
could they have been shrieking?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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