I'll hiss you'll hiss he'll hiss we'll hiss you'll hiss they'll hiss
V-ing form
I'll be hissing you'll be hissing he'll be hissing we'll be hissing you'll be hissing they'll be hissing
Perfect
I'll have hissed you'll have hissed he'll have hissed we'll have hissed you'll have hissed they'll have hissed
V-ing perfect
I'll have been hissing you'll have been hissing he'll have been hissing we'll have been hissing you'll have been hissing they'll have been hissing
Negation
Simple form
I won't hiss you won't hiss he won't hiss we won't hiss you won't hiss they won't hiss
V-ing form
I won't be hissing you won't be hissing he won't be hissing we won't be hissing you won't be hissing they won't be hissing
Perfect
I won't have hissed you won't have hissed he won't have hissed we won't have hissed you won't have hissed they won't have hissed
V-ing perfect
I won't have been hissing you won't have been hissing he won't have been hissing we won't have been hissing you won't have been hissing they won't have been hissing
Interrogative form
Simple form
will I hiss? will you hiss? will he hiss? will we hiss? will you hiss? will they hiss?
V-ing form
will I be hissing? will you be hissing? will he be hissing? will we be hissing? will you be hissing? will they be hissing?
Perfect
will I have hissed? will you have hissed? will he have hissed? will we have hissed? will you have hissed? will they have hissed?
V-ing perfect
will I have been hissing? will you have been hissing? will he have been hissing? will we have been hissing? will you have been hissing? will they have been hissing?
Interro-negative form
Simple form
won't I hiss? won't you hiss? won't he hiss? won't we hiss? won't you hiss? won't they hiss?
V-ing form
won't I be hissing? won't you be hissing? won't he be hissing? won't we be hissing? won't you be hissing? won't they be hissing?
Perfect
won't I have hissed? won't you have hissed? won't he have hissed? won't we have hissed? won't you have hissed? won't they have hissed?
V-ing perfect
won't I have been hissing? won't you have been hissing? won't he have been hissing? won't we have been hissing? won't you have been hissing? won't they have been hissing?