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 ought not to rub you ought not to rub he ought not to rub we ought not to rub you ought not to rub they ought not to rub	I ought not to rubbing you ought not to rubbing he ought not to rubbing we ought not to rubbing you ought not to rubbing they ought not to rubbing
Perfect	V-ing perfect
I ought not to have rubbed you ought not to have rubbed he ought not to have rubbed we ought not to have rubbed you ought not to have rubbed they ought not to have rubbed	I ought not to have been rubbing you ought not to have been rubbing he ought not to have been rubbing we ought not to have been rubbing you ought not to have been rubbing they ought not 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
ought I not to rub? ought you not to rub? ought he not to rub? ought we not to rub? ought you not to rub? ought they not to rub?	ought I not to be rubbing? ought you not to be rubbing? ought he not to be rubbing? ought we not to be rubbing? ought you not to be rubbing? ought they not to be rubbing?
Perfect	V-ing perfect
ought I not to have rubbed? ought you not to have rubbed? ought he not to have rubbed? ought we not to have rubbed? ought you not to have rubbed? ought they not to have rubbed?	ought I not to have been rubbing? ought you not to have been rubbing? ought he not to have been rubbing? ought we not to have been rubbing? ought you not to have been rubbing? ought they not to have been rubbing?