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