English verb conjugation COULD SHRILL

Regular verb: shrill - shrilled - shrilled

Affirmation

Simple form

I could shrill
you could shrill
he could shrill
we could shrill
you could shrill
they could shrill

V-ing form

I could be shrilling
you could be shrilling
he could be shrilling
we could be shrilling
you could be shrilling
they could be shrilling

Perfect

I could have shrilled
you could have shrilled
he 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
he 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
he 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
he 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
he 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
he 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 he shrill?
could we shrill?
could you shrill?
could they shrill?

V-ing form

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

Perfect

could I have shrilled?
could you have shrilled?
could he 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 he 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 he 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 he 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 he 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 he 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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