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