English verb conjugation
OUGHT TO ROLF

Regular verb: rolf - rolfed - rolfed

Affirmation

Simple form	V-ing form
I ought to rolf you ought to rolf he ought to rolf we ought to rolf you ought to rolf they ought to rolf	I ought to be rolfing you ought to be rolfing he ought to be rolfing we ought to be rolfing you ought to be rolfing they ought to be rolfing
Perfect	V-ing perfect
I ought to have rolfed you ought to have rolfed he ought to have rolfed we ought to have rolfed you ought to have rolfed they ought to have rolfed	I ought to have been rolfing you ought to have been rolfing he ought to have been rolfing we ought to have been rolfing you ought to have been rolfing they ought to have been rolfing

Negation

Simple form	V-ing form
I oughtn't to rolf you oughtn't to rolf he oughtn't to rolf we oughtn't to rolf you oughtn't to rolf they oughtn't to rolf	I oughtn't to be rolfing you oughtn't to be rolfing he oughtn't to be rolfing we oughtn't to be rolfing you oughtn't to be rolfing they oughtn't to be rolfing
Perfect	V-ing perfect
I oughtn't to have rolfed you oughtn't to have rolfed he oughtn't to have rolfed we oughtn't to have rolfed you oughtn't to have rolfed they oughtn't to have rolfed	I oughtn't to have been rolfing you oughtn't to have been rolfing he oughtn't to have been rolfing we oughtn't to have been rolfing you oughtn't to have been rolfing they oughtn't to have been rolfing

Interrogative form

Simple form	V-ing form
ought to I rolf? ought to you rolf? ought to he rolf? ought to we rolf? ought to you rolf? ought to they rolf?	ought to I be rolfing? ought to you be rolfing? ought to he be rolfing? ought to we be rolfing? ought to you be rolfing? ought to they be rolfing?
Perfect	V-ing perfect
ought to I have rolfed? ought to you have rolfed? ought to he have rolfed? ought to we have rolfed? ought to you have rolfed? ought to they have rolfed?	ought to I have been rolfing? ought to you have been rolfing? ought to he have been rolfing? ought to we have been rolfing? ought to you have been rolfing? ought to they have been rolfing?

Interro-negative form

Simple form	V-ing form
oughtn't I to rolf? oughtn't you to rolf? oughtn't he to rolf? oughtn't we to rolf? oughtn't you to rolf? oughtn't they to rolf?	oughtn't I to be rolfing? oughtn't you to be rolfing? oughtn't he to be rolfing? oughtn't we to be rolfing? oughtn't you to be rolfing? oughtn't they to be rolfing?
Perfect	V-ing perfect
oughtn't I to have rolfed? oughtn't you to have rolfed? oughtn't he to have rolfed? oughtn't we to have rolfed? oughtn't you to have rolfed? oughtn't they to have rolfed?	oughtn't I to have been rolfing? oughtn't you to have been rolfing? oughtn't he to have been rolfing? oughtn't we to have been rolfing? oughtn't you to have been rolfing? oughtn't they to have been rolfing?