Coniugazione del verbo inglese
COULD HAVE

Verbo irregolare: have - had - had

Affermazione

Forma semplice	Forma con V-ing
I could have you could have she could have we could have you could have they could have	I could be having you could be having she could be having we could be having you could be having they could be having
Perfetto	Perfetto con V-ing
I could have had you could have had she could have had we could have had you could have had they could have had	I could have been having you could have been having she could have been having we could have been having you could have been having they could have been having

Negazione

Forma semplice	Forma con V-ing
I could not have you could not have she could not have we could not have you could not have they could not have	I could not be having you could not be having she could not be having we could not be having you could not be having they could not be having
Perfetto	Perfetto con V-ing
I could not have had you could not have had she could not have had we could not have had you could not have had they could not have had	I could not have been having you could not have been having she could not have been having we could not have been having you could not have been having they could not have been having

Forma interrogativa

Forma semplice	Forma con V-ing
could I have? could you have? could she have? could we have? could you have? could they have?	could I be having? could you be having? could she be having? could we be having? could you be having? could they be having?
Perfetto	Perfetto con V-ing
could I have had? could you have had? could she have had? could we have had? could you have had? could they have had?	could I have been having? could you have been having? could she have been having? could we have been having? could you have been having? could they have been having?

Forma interro-negativa

Forma semplice	Forma con V-ing
could I not have? could you not have? could she not have? could we not have? could you not have? could they not have?	could I not be having? could you not be having? could she not be having? could we not be having? could you not be having? could they not be having?
Perfetto	Perfetto con V-ing
could I not have had? could you not have had? could she not have had? could we not have had? could you not have had? could they not have had?	could I not have been having? could you not have been having? could she not have been having? could we not have been having? could you not have been having? could they not have been having?