English verb conjugation COULD SHRILL

Regular verb: shrill - shrilled - shrilled

Affirmation

Simple form

I could shrill
you could shrill
she could shrill
we could shrill
you could shrill
they could shrill

V-ing form

I could be shrilling
you could be shrilling
she could be shrilling
we could be shrilling
you could be shrilling
they could be shrilling

Perfect

I could have shrilled
you could have shrilled
she could have shrilled
we could have shrilled
you could have shrilled
they could have shrilled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I shrill?
could you shrill?
could she shrill?
could we shrill?
could you shrill?
could they shrill?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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