English verb conjugation COULD COO

Regular verb: coo - cooed - cooed

Affirmation

Simple form

I could coo
you could coo
he could coo
we could coo
you could coo
they could coo

V-ing form

I could be cooing
you could be cooing
he could be cooing
we could be cooing
you could be cooing
they could be cooing

Perfect

I could have cooed
you could have cooed
he could have cooed
we could have cooed
you could have cooed
they could have cooed

V-ing perfect

I could have been cooing
you could have been cooing
he could have been cooing
we could have been cooing
you could have been cooing
they could have been cooing

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I coo?
could you coo?
could he coo?
could we coo?
could you coo?
could they coo?

V-ing form

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

Perfect

could I have cooed?
could you have cooed?
could he have cooed?
could we have cooed?
could you have cooed?
could they have cooed?

V-ing perfect

could I have been cooing?
could you have been cooing?
could he have been cooing?
could we have been cooing?
could you have been cooing?
could they have been cooing?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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