I ought to rat you ought to rat he ought to rat we ought to rat you ought to rat they ought to rat
V-ing form
I ought to be ratting you ought to be ratting he ought to be ratting we ought to be ratting you ought to be ratting they ought to be ratting
Perfect
I ought to have ratted you ought to have ratted he ought to have ratted we ought to have ratted you ought to have ratted they ought to have ratted
V-ing perfect
I ought to have been ratting you ought to have been ratting he ought to have been ratting we ought to have been ratting you ought to have been ratting they ought to have been ratting
Negation
Simple form
I oughtn't to rat you oughtn't to rat he oughtn't to rat we oughtn't to rat you oughtn't to rat they oughtn't to rat
V-ing form
I oughtn't to be ratting you oughtn't to be ratting he oughtn't to be ratting we oughtn't to be ratting you oughtn't to be ratting they oughtn't to be ratting
Perfect
I oughtn't to have ratted you oughtn't to have ratted he oughtn't to have ratted we oughtn't to have ratted you oughtn't to have ratted they oughtn't to have ratted
V-ing perfect
I oughtn't to have been ratting you oughtn't to have been ratting he oughtn't to have been ratting we oughtn't to have been ratting you oughtn't to have been ratting they oughtn't to have been ratting
Interrogative form
Simple form
ought to I rat? ought to you rat? ought to he rat? ought to we rat? ought to you rat? ought to they rat?
V-ing form
ought to I be ratting? ought to you be ratting? ought to he be ratting? ought to we be ratting? ought to you be ratting? ought to they be ratting?
Perfect
ought to I have ratted? ought to you have ratted? ought to he have ratted? ought to we have ratted? ought to you have ratted? ought to they have ratted?
V-ing perfect
ought to I have been ratting? ought to you have been ratting? ought to he have been ratting? ought to we have been ratting? ought to you have been ratting? ought to they have been ratting?
Interro-negative form
Simple form
oughtn't I to rat? oughtn't you to rat? oughtn't he to rat? oughtn't we to rat? oughtn't you to rat? oughtn't they to rat?
V-ing form
oughtn't I to be ratting? oughtn't you to be ratting? oughtn't he to be ratting? oughtn't we to be ratting? oughtn't you to be ratting? oughtn't they to be ratting?
Perfect
oughtn't I to have ratted? oughtn't you to have ratted? oughtn't he to have ratted? oughtn't we to have ratted? oughtn't you to have ratted? oughtn't they to have ratted?
V-ing perfect
oughtn't I to have been ratting? oughtn't you to have been ratting? oughtn't he to have been ratting? oughtn't we to have been ratting? oughtn't you to have been ratting? oughtn't they to have been ratting?