English verb conjugation
OUGHT TO STAFF

Regular verb: staff - staffed - staffed

Affirmation

Simple form	V-ing form
I ought to staff you ought to staff he ought to staff we ought to staff you ought to staff they ought to staff	I ought to be staffing you ought to be staffing he ought to be staffing we ought to be staffing you ought to be staffing they ought to be staffing
Perfect	V-ing perfect
I ought to have staffed you ought to have staffed he ought to have staffed we ought to have staffed you ought to have staffed they ought to have staffed	I ought to have been staffing you ought to have been staffing he ought to have been staffing we ought to have been staffing you ought to have been staffing they ought to have been staffing

Negation

Simple form	V-ing form
I oughtn't to staff you oughtn't to staff he oughtn't to staff we oughtn't to staff you oughtn't to staff they oughtn't to staff	I oughtn't to be staffing you oughtn't to be staffing he oughtn't to be staffing we oughtn't to be staffing you oughtn't to be staffing they oughtn't to be staffing
Perfect	V-ing perfect
I oughtn't to have staffed you oughtn't to have staffed he oughtn't to have staffed we oughtn't to have staffed you oughtn't to have staffed they oughtn't to have staffed	I oughtn't to have been staffing you oughtn't to have been staffing he oughtn't to have been staffing we oughtn't to have been staffing you oughtn't to have been staffing they oughtn't to have been staffing

Interrogative form

Simple form	V-ing form
ought to I staff? ought to you staff? ought to he staff? ought to we staff? ought to you staff? ought to they staff?	ought to I be staffing? ought to you be staffing? ought to he be staffing? ought to we be staffing? ought to you be staffing? ought to they be staffing?
Perfect	V-ing perfect
ought to I have staffed? ought to you have staffed? ought to he have staffed? ought to we have staffed? ought to you have staffed? ought to they have staffed?	ought to I have been staffing? ought to you have been staffing? ought to he have been staffing? ought to we have been staffing? ought to you have been staffing? ought to they have been staffing?

Interro-negative form

Simple form	V-ing form
oughtn't I to staff? oughtn't you to staff? oughtn't he to staff? oughtn't we to staff? oughtn't you to staff? oughtn't they to staff?	oughtn't I to be staffing? oughtn't you to be staffing? oughtn't he to be staffing? oughtn't we to be staffing? oughtn't you to be staffing? oughtn't they to be staffing?
Perfect	V-ing perfect
oughtn't I to have staffed? oughtn't you to have staffed? oughtn't he to have staffed? oughtn't we to have staffed? oughtn't you to have staffed? oughtn't they to have staffed?	oughtn't I to have been staffing? oughtn't you to have been staffing? oughtn't he to have been staffing? oughtn't we to have been staffing? oughtn't you to have been staffing? oughtn't they to have been staffing?