English verb conjugation
OUGHT TO RIVET

Regular verb: rivet - riveted - riveted

Affirmation

Simple form	V-ing form
I ought to rivet you ought to rivet he ought to rivet we ought to rivet you ought to rivet they ought to rivet	I ought to be riveting you ought to be riveting he ought to be riveting we ought to be riveting you ought to be riveting they ought to be riveting
Perfect	V-ing perfect
I ought to have riveted you ought to have riveted he ought to have riveted we ought to have riveted you ought to have riveted they ought to have riveted	I ought to have been riveting you ought to have been riveting he ought to have been riveting we ought to have been riveting you ought to have been riveting they ought to have been riveting

Negation

Simple form	V-ing form
I oughtn't to rivet you oughtn't to rivet he oughtn't to rivet we oughtn't to rivet you oughtn't to rivet they oughtn't to rivet	I oughtn't to be riveting you oughtn't to be riveting he oughtn't to be riveting we oughtn't to be riveting you oughtn't to be riveting they oughtn't to be riveting
Perfect	V-ing perfect
I oughtn't to have riveted you oughtn't to have riveted he oughtn't to have riveted we oughtn't to have riveted you oughtn't to have riveted they oughtn't to have riveted	I oughtn't to have been riveting you oughtn't to have been riveting he oughtn't to have been riveting we oughtn't to have been riveting you oughtn't to have been riveting they oughtn't to have been riveting

Interrogative form

Simple form	V-ing form
ought to I rivet? ought to you rivet? ought to he rivet? ought to we rivet? ought to you rivet? ought to they rivet?	ought to I be riveting? ought to you be riveting? ought to he be riveting? ought to we be riveting? ought to you be riveting? ought to they be riveting?
Perfect	V-ing perfect
ought to I have riveted? ought to you have riveted? ought to he have riveted? ought to we have riveted? ought to you have riveted? ought to they have riveted?	ought to I have been riveting? ought to you have been riveting? ought to he have been riveting? ought to we have been riveting? ought to you have been riveting? ought to they have been riveting?

Interro-negative form

Simple form	V-ing form
oughtn't I to rivet? oughtn't you to rivet? oughtn't he to rivet? oughtn't we to rivet? oughtn't you to rivet? oughtn't they to rivet?	oughtn't I to be riveting? oughtn't you to be riveting? oughtn't he to be riveting? oughtn't we to be riveting? oughtn't you to be riveting? oughtn't they to be riveting?
Perfect	V-ing perfect
oughtn't I to have riveted? oughtn't you to have riveted? oughtn't he to have riveted? oughtn't we to have riveted? oughtn't you to have riveted? oughtn't they to have riveted?	oughtn't I to have been riveting? oughtn't you to have been riveting? oughtn't he to have been riveting? oughtn't we to have been riveting? oughtn't you to have been riveting? oughtn't they to have been riveting?