I'd hiss you'd hiss he'd hiss we'd hiss you'd hiss they'd hiss
V-ing form
I'd be hissing you'd be hissing he'd be hissing we'd be hissing you'd be hissing they'd be hissing
Perfect
I would've hissed you would've hissed he would've hissed we would've hissed you would've hissed they would've hissed
V-ing perfect
I would've been hissing you would've been hissing he would've been hissing we would've been hissing you would've been hissing they would've been hissing
Negation
Simple form
I wouldn't hiss you wouldn't hiss he wouldn't hiss we wouldn't hiss you wouldn't hiss they wouldn't hiss
V-ing form
I wouldn't be hissing you wouldn't be hissing he wouldn't be hissing we wouldn't be hissing you wouldn't be hissing they wouldn't be hissing
Perfect
I wouldn't have hissed you wouldn't have hissed he wouldn't have hissed we wouldn't have hissed you wouldn't have hissed they wouldn't have hissed
V-ing perfect
I wouldn't have been hissing you wouldn't have been hissing he wouldn't have been hissing we wouldn't have been hissing you wouldn't have been hissing they wouldn't have been hissing
Interrogative form
Simple form
would I hiss? would you hiss? would he hiss? would we hiss? would you hiss? would they hiss?
V-ing form
would I be hissing? would you be hissing? would he be hissing? would we be hissing? would you be hissing? would they be hissing?
Perfect
would I have hissed? would you have hissed? would he have hissed? would we have hissed? would you have hissed? would they have hissed?
V-ing perfect
would I have been hissing? would you have been hissing? would he have been hissing? would we have been hissing? would you have been hissing? would they have been hissing?
Interro-negative form
Simple form
wouldn't I hiss? wouldn't you hiss? wouldn't he hiss? wouldn't we hiss? wouldn't you hiss? wouldn't they hiss?
V-ing form
wouldn't I be hissing? wouldn't you be hissing? wouldn't he be hissing? wouldn't we be hissing? wouldn't you be hissing? wouldn't they be hissing?
Perfect
wouldn't I have hissed? wouldn't you have hissed? wouldn't he have hissed? wouldn't we have hissed? wouldn't you have hissed? wouldn't they have hissed?
V-ing perfect
wouldn't I have been hissing? wouldn't you have been hissing? wouldn't he have been hissing? wouldn't we have been hissing? wouldn't you have been hissing? wouldn't they have been hissing?