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