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