English verb conjugation
OUGHT TO RUB

Regular verb: rub - rubbed - rubbed

Affirmation

Simple form	V-ing form
I ought to rub you ought to rub he ought to rub we ought to rub you ought to rub they ought to rub	I ought to be rubbing you ought to be rubbing he ought to be rubbing we ought to be rubbing you ought to be rubbing they ought to be rubbing
Perfect	V-ing perfect
I ought to have rubbed you ought to have rubbed he ought to have rubbed we ought to have rubbed you ought to have rubbed they ought to have rubbed	I ought to have been rubbing you ought to have been rubbing he ought to have been rubbing we ought to have been rubbing you ought to have been rubbing they ought to have been rubbing

Negation

Simple form	V-ing form
I oughtn't to rub you oughtn't to rub he oughtn't to rub we oughtn't to rub you oughtn't to rub they oughtn't to rub	I oughtn't to be rubbing you oughtn't to be rubbing he oughtn't to be rubbing we oughtn't to be rubbing you oughtn't to be rubbing they oughtn't to be rubbing
Perfect	V-ing perfect
I oughtn't to have rubbed you oughtn't to have rubbed he oughtn't to have rubbed we oughtn't to have rubbed you oughtn't to have rubbed they oughtn't to have rubbed	I oughtn't to have been rubbing you oughtn't to have been rubbing he oughtn't to have been rubbing we oughtn't to have been rubbing you oughtn't to have been rubbing they oughtn't to have been rubbing

Interrogative form

Simple form	V-ing form
ought to I rub? ought to you rub? ought to he rub? ought to we rub? ought to you rub? ought to they rub?	ought to I be rubbing? ought to you be rubbing? ought to he be rubbing? ought to we be rubbing? ought to you be rubbing? ought to they be rubbing?
Perfect	V-ing perfect
ought to I have rubbed? ought to you have rubbed? ought to he have rubbed? ought to we have rubbed? ought to you have rubbed? ought to they have rubbed?	ought to I have been rubbing? ought to you have been rubbing? ought to he have been rubbing? ought to we have been rubbing? ought to you have been rubbing? ought to they have been rubbing?

Interro-negative form

Simple form	V-ing form
oughtn't I to rub? oughtn't you to rub? oughtn't he to rub? oughtn't we to rub? oughtn't you to rub? oughtn't they to rub?	oughtn't I to be rubbing? oughtn't you to be rubbing? oughtn't he to be rubbing? oughtn't we to be rubbing? oughtn't you to be rubbing? oughtn't they to be rubbing?
Perfect	V-ing perfect
oughtn't I to have rubbed? oughtn't you to have rubbed? oughtn't he to have rubbed? oughtn't we to have rubbed? oughtn't you to have rubbed? oughtn't they to have rubbed?	oughtn't I to have been rubbing? oughtn't you to have been rubbing? oughtn't he to have been rubbing? oughtn't we to have been rubbing? oughtn't you to have been rubbing? oughtn't they to have been rubbing?