could coo
Verbo regolare: coo - cooed- cooed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could coo
you could coo
she could coo
we could coo
you could coo
they could coo 	I could be cooing
you could be cooing
she could be cooing
we could be cooing
you could be cooing
they could be cooing	I could have cooed
you could have cooed
she could have cooed
we could have cooed
you could have cooed
they could have cooed	I could have been cooing
you could have been cooing
she could have been cooing
we could have been cooing
you could have been cooing
they could have been cooing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't coo
you couldn't coo
she couldn't coo
we couldn't coo
you couldn't coo
they couldn't coo 	I couldn't be cooing
you couldn't be cooing
she couldn't be cooing
we couldn't be cooing
you couldn't be cooing
they couldn't be cooing	I couldn't have cooed
you couldn't have cooed
she couldn't have cooed
we couldn't have cooed
you couldn't have cooed
they couldn't have cooed	I couldn't have been cooing
you couldn't have been cooing
she couldn't have been cooing
we couldn't have been cooing
you couldn't have been cooing
they couldn't have been cooing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I coo?
could you coo?
could she coo?
could we coo?
could you coo?
could they coo? 	could I be cooing?
could you be cooing?
could she be cooing?
could we be cooing?
could you be cooing?
could they be cooing? 	could I have cooed?
could you have cooed?
could she have cooed?
could we have cooed?
could you have cooed?
could they have cooed? 	could I have been cooing?
could you have been cooing?
could she have been cooing?
could we have been cooing?
could you have been cooing?
could they have been cooing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I coo?
couldn't you coo?
couldn't she coo?
couldn't we coo?
couldn't you coo?
couldn't they coo? 	couldn't I be cooing?
couldn't you be cooing?
couldn't she be cooing?
couldn't we be cooing?
couldn't you be cooing?
couldn't they be cooing? 	couldn't I have cooed?
couldn't you have cooed?
couldn't she have cooed?
couldn't we have cooed?
couldn't you have cooed?
couldn't they have cooed? 	couldn't I have been cooing?
couldn't you have been cooing?
couldn't she have been cooing?
couldn't we have been cooing?
couldn't you have been cooing?
couldn't they have been cooing?