English verb conjugation
OUGHT TO DIFFER

Regular verb: differ - differed - differed

Affirmation

Simple form	V-ing form
I ought to differ you ought to differ she ought to differ we ought to differ you ought to differ they ought to differ	I ought to be differing you ought to be differing she ought to be differing we ought to be differing you ought to be differing they ought to be differing
Perfect	V-ing perfect
I ought to have differed you ought to have differed she ought to have differed we ought to have differed you ought to have differed they ought to have differed	I ought to have been differing you ought to have been differing she 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	V-ing form
I oughtn't to differ you oughtn't to differ she oughtn't to differ we oughtn't to differ you oughtn't to differ they oughtn't to differ	I oughtn't to be differing you oughtn't to be differing she oughtn't to be differing we oughtn't to be differing you oughtn't to be differing they oughtn't to be differing
Perfect	V-ing perfect
I oughtn't to have differed you oughtn't to have differed she oughtn't to have differed we oughtn't to have differed you oughtn't to have differed they oughtn't to have differed	I oughtn't to have been differing you oughtn't to have been differing she 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	V-ing form
ought to I differ? ought to you differ? ought to she differ? ought to we differ? ought to you differ? ought to they differ?	ought to I be differing? ought to you be differing? ought to she be differing? ought to we be differing? ought to you be differing? ought to they be differing?
Perfect	V-ing perfect
ought to I have differed? ought to you have differed? ought to she have differed? ought to we have differed? ought to you have differed? ought to they have differed?	ought to I have been differing? ought to you have been differing? ought to she 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	V-ing form
oughtn't I to differ? oughtn't you to differ? oughtn't she to differ? oughtn't we to differ? oughtn't you to differ? oughtn't they to differ?	oughtn't I to be differing? oughtn't you to be differing? oughtn't she to be differing? oughtn't we to be differing? oughtn't you to be differing? oughtn't they to be differing?
Perfect	V-ing perfect
oughtn't I to have differed? oughtn't you to have differed? oughtn't she to have differed? oughtn't we to have differed? oughtn't you to have differed? oughtn't they to have differed?	oughtn't I to have been differing? oughtn't you to have been differing? oughtn't she 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?