I could hiss you could hiss he could hiss we could hiss you could hiss they could hiss
Forma con V-ing
I could be hissing you could be hissing he could be hissing we could be hissing you could be hissing they could be hissing
Perfetto
I could have hissed you could have hissed he could have hissed we could have hissed you could have hissed they could have hissed
Perfetto con V-ing
I could have been hissing you could have been hissing he could have been hissing we could have been hissing you could have been hissing they could have been hissing
Negazione
Forma semplice
I could not hiss you could not hiss he could not hiss we could not hiss you could not hiss they could not hiss
Forma con V-ing
I could not be hissing you could not be hissing he could not be hissing we could not be hissing you could not be hissing they could not be hissing
Perfetto
I could not have hissed you could not have hissed he could not have hissed we could not have hissed you could not have hissed they could not have hissed
Perfetto con V-ing
I could not have been hissing you could not have been hissing he could not have been hissing we could not have been hissing you could not have been hissing they could not have been hissing
Forma interrogativa
Forma semplice
could I hiss? could you hiss? could he hiss? could we hiss? could you hiss? could they hiss?
Forma con V-ing
could I be hissing? could you be hissing? could he be hissing? could we be hissing? could you be hissing? could they be hissing?
Perfetto
could I have hissed? could you have hissed? could he have hissed? could we have hissed? could you have hissed? could they have hissed?
Perfetto con V-ing
could I have been hissing? could you have been hissing? could he have been hissing? could we have been hissing? could you have been hissing? could they have been hissing?
Forma interro-negativa
Forma semplice
could I not hiss? could you not hiss? could he not hiss? could we not hiss? could you not hiss? could they not hiss?
Forma con V-ing
could I not be hissing? could you not be hissing? could he not be hissing? could we not be hissing? could you not be hissing? could they not be hissing?
Perfetto
could I not have hissed? could you not have hissed? could he not have hissed? could we not have hissed? could you not have hissed? could they not have hissed?
Perfetto con V-ing
could I not have been hissing? could you not have been hissing? could he not have been hissing? could we not have been hissing? could you not have been hissing? could they not have been hissing?