English verb conjugation
OUGHT TO RIB

Regular verb: rib - ribed - ribed

Affirmation

Simple form	V-ing form
I ought to rib you ought to rib he ought to rib we ought to rib you ought to rib they ought to rib	I ought to be ribing you ought to be ribing he ought to be ribing we ought to be ribing you ought to be ribing they ought to be ribing
Perfect	V-ing perfect
I ought to have ribed you ought to have ribed he ought to have ribed we ought to have ribed you ought to have ribed they ought to have ribed	I ought to have been ribing you ought to have been ribing he ought to have been ribing we ought to have been ribing you ought to have been ribing they ought to have been ribing

Negation

Simple form	V-ing form
I oughtn't to rib you oughtn't to rib he oughtn't to rib we oughtn't to rib you oughtn't to rib they oughtn't to rib	I oughtn't to be ribing you oughtn't to be ribing he oughtn't to be ribing we oughtn't to be ribing you oughtn't to be ribing they oughtn't to be ribing
Perfect	V-ing perfect
I oughtn't to have ribed you oughtn't to have ribed he oughtn't to have ribed we oughtn't to have ribed you oughtn't to have ribed they oughtn't to have ribed	I oughtn't to have been ribing you oughtn't to have been ribing he oughtn't to have been ribing we oughtn't to have been ribing you oughtn't to have been ribing they oughtn't to have been ribing

Interrogative form

Simple form	V-ing form
ought to I rib? ought to you rib? ought to he rib? ought to we rib? ought to you rib? ought to they rib?	ought to I be ribing? ought to you be ribing? ought to he be ribing? ought to we be ribing? ought to you be ribing? ought to they be ribing?
Perfect	V-ing perfect
ought to I have ribed? ought to you have ribed? ought to he have ribed? ought to we have ribed? ought to you have ribed? ought to they have ribed?	ought to I have been ribing? ought to you have been ribing? ought to he have been ribing? ought to we have been ribing? ought to you have been ribing? ought to they have been ribing?

Interro-negative form

Simple form	V-ing form
oughtn't I to rib? oughtn't you to rib? oughtn't he to rib? oughtn't we to rib? oughtn't you to rib? oughtn't they to rib?	oughtn't I to be ribing? oughtn't you to be ribing? oughtn't he to be ribing? oughtn't we to be ribing? oughtn't you to be ribing? oughtn't they to be ribing?
Perfect	V-ing perfect
oughtn't I to have ribed? oughtn't you to have ribed? oughtn't he to have ribed? oughtn't we to have ribed? oughtn't you to have ribed? oughtn't they to have ribed?	oughtn't I to have been ribing? oughtn't you to have been ribing? oughtn't he to have been ribing? oughtn't we to have been ribing? oughtn't you to have been ribing? oughtn't they to have been ribing?