I could concoct you could concoct she could concoct we could concoct you could concoct they could concoct
Forma con V-ing
I could be concocting you could be concocting she could be concocting we could be concocting you could be concocting they could be concocting
Perfetto
I could have concocted you could have concocted she could have concocted we could have concocted you could have concocted they could have concocted
Perfetto con V-ing
I could have been concocting you could have been concocting she could have been concocting we could have been concocting you could have been concocting they could have been concocting
Negazione
Forma semplice
I could not concoct you could not concoct she could not concoct we could not concoct you could not concoct they could not concoct
Forma con V-ing
I could not be concocting you could not be concocting she could not be concocting we could not be concocting you could not be concocting they could not be concocting
Perfetto
I could not have concocted you could not have concocted she could not have concocted we could not have concocted you could not have concocted they could not have concocted
Perfetto con V-ing
I could not have been concocting you could not have been concocting she could not have been concocting we could not have been concocting you could not have been concocting they could not have been concocting
Forma interrogativa
Forma semplice
could I concoct? could you concoct? could she concoct? could we concoct? could you concoct? could they concoct?
Forma con V-ing
could I be concocting? could you be concocting? could she be concocting? could we be concocting? could you be concocting? could they be concocting?
Perfetto
could I have concocted? could you have concocted? could she have concocted? could we have concocted? could you have concocted? could they have concocted?
Perfetto con V-ing
could I have been concocting? could you have been concocting? could she have been concocting? could we have been concocting? could you have been concocting? could they have been concocting?
Forma interro-negativa
Forma semplice
could I not concoct? could you not concoct? could she not concoct? could we not concoct? could you not concoct? could they not concoct?
Forma con V-ing
could I not be concocting? could you not be concocting? could she not be concocting? could we not be concocting? could you not be concocting? could they not be concocting?
Perfetto
could I not have concocted? could you not have concocted? could she not have concocted? could we not have concocted? could you not have concocted? could they not have concocted?
Perfetto con V-ing
could I not have been concocting? could you not have been concocting? could she not have been concocting? could we not have been concocting? could you not have been concocting? could they not have been concocting?