English verb conjugation
OUGHT TO DIET

Regular verb: diet - dieted - dieted

Affirmation

Simple form	V-ing form
I ought to diet you ought to diet she ought to diet we ought to diet you ought to diet they ought to diet	I ought to be dieting you ought to be dieting she ought to be dieting we ought to be dieting you ought to be dieting they ought to be dieting
Perfect	V-ing perfect
I ought to have dieted you ought to have dieted she ought to have dieted we ought to have dieted you ought to have dieted they ought to have dieted	I ought to have been dieting you ought to have been dieting she ought to have been dieting we ought to have been dieting you ought to have been dieting they ought to have been dieting

Negation

Simple form	V-ing form
I oughtn't to diet you oughtn't to diet she oughtn't to diet we oughtn't to diet you oughtn't to diet they oughtn't to diet	I oughtn't to be dieting you oughtn't to be dieting she oughtn't to be dieting we oughtn't to be dieting you oughtn't to be dieting they oughtn't to be dieting
Perfect	V-ing perfect
I oughtn't to have dieted you oughtn't to have dieted she oughtn't to have dieted we oughtn't to have dieted you oughtn't to have dieted they oughtn't to have dieted	I oughtn't to have been dieting you oughtn't to have been dieting she oughtn't to have been dieting we oughtn't to have been dieting you oughtn't to have been dieting they oughtn't to have been dieting

Interrogative form

Simple form	V-ing form
ought to I diet? ought to you diet? ought to she diet? ought to we diet? ought to you diet? ought to they diet?	ought to I be dieting? ought to you be dieting? ought to she be dieting? ought to we be dieting? ought to you be dieting? ought to they be dieting?
Perfect	V-ing perfect
ought to I have dieted? ought to you have dieted? ought to she have dieted? ought to we have dieted? ought to you have dieted? ought to they have dieted?	ought to I have been dieting? ought to you have been dieting? ought to she have been dieting? ought to we have been dieting? ought to you have been dieting? ought to they have been dieting?

Interro-negative form

Simple form	V-ing form
oughtn't I to diet? oughtn't you to diet? oughtn't she to diet? oughtn't we to diet? oughtn't you to diet? oughtn't they to diet?	oughtn't I to be dieting? oughtn't you to be dieting? oughtn't she to be dieting? oughtn't we to be dieting? oughtn't you to be dieting? oughtn't they to be dieting?
Perfect	V-ing perfect
oughtn't I to have dieted? oughtn't you to have dieted? oughtn't she to have dieted? oughtn't we to have dieted? oughtn't you to have dieted? oughtn't they to have dieted?	oughtn't I to have been dieting? oughtn't you to have been dieting? oughtn't she to have been dieting? oughtn't we to have been dieting? oughtn't you to have been dieting? oughtn't they to have been dieting?