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