I ought to hiss you ought to hiss she ought to hiss we ought to hiss you ought to hiss they ought to hiss
V-ing form
I ought to be hissing you ought to be hissing she ought to be hissing we ought to be hissing you ought to be hissing they ought to be hissing
Perfect
I ought to have hissed you ought to have hissed she ought to have hissed we ought to have hissed you ought to have hissed they ought to have hissed
V-ing perfect
I ought to have been hissing you ought to have been hissing she ought to have been hissing we ought to have been hissing you ought to have been hissing they ought to have been hissing
Negation
Simple form
I oughtn't to hiss you oughtn't to hiss she oughtn't to hiss we oughtn't to hiss you oughtn't to hiss they oughtn't to hiss
V-ing form
I oughtn't to be hissing you oughtn't to be hissing she oughtn't to be hissing we oughtn't to be hissing you oughtn't to be hissing they oughtn't to be hissing
Perfect
I oughtn't to have hissed you oughtn't to have hissed she oughtn't to have hissed we oughtn't to have hissed you oughtn't to have hissed they oughtn't to have hissed
V-ing perfect
I oughtn't to have been hissing you oughtn't to have been hissing she oughtn't to have been hissing we oughtn't to have been hissing you oughtn't to have been hissing they oughtn't to have been hissing
Interrogative form
Simple form
ought to I hiss? ought to you hiss? ought to she hiss? ought to we hiss? ought to you hiss? ought to they hiss?
V-ing form
ought to I be hissing? ought to you be hissing? ought to she be hissing? ought to we be hissing? ought to you be hissing? ought to they be hissing?
Perfect
ought to I have hissed? ought to you have hissed? ought to she have hissed? ought to we have hissed? ought to you have hissed? ought to they have hissed?
V-ing perfect
ought to I have been hissing? ought to you have been hissing? ought to she have been hissing? ought to we have been hissing? ought to you have been hissing? ought to they have been hissing?
Interro-negative form
Simple form
oughtn't I to hiss? oughtn't you to hiss? oughtn't she to hiss? oughtn't we to hiss? oughtn't you to hiss? oughtn't they to hiss?
V-ing form
oughtn't I to be hissing? oughtn't you to be hissing? oughtn't she to be hissing? oughtn't we to be hissing? oughtn't you to be hissing? oughtn't they to be hissing?
Perfect
oughtn't I to have hissed? oughtn't you to have hissed? oughtn't she to have hissed? oughtn't we to have hissed? oughtn't you to have hissed? oughtn't they to have hissed?
V-ing perfect
oughtn't I to have been hissing? oughtn't you to have been hissing? oughtn't she to have been hissing? oughtn't we to have been hissing? oughtn't you to have been hissing? oughtn't they to have been hissing?