English verb conjugation
OUGHT TO QUAFF

Regular verb: quaff - quaffed - quaffed

Affirmation

Simple form	V-ing form
I ought to quaff you ought to quaff he ought to quaff we ought to quaff you ought to quaff they ought to quaff	I ought to be quaffing you ought to be quaffing he ought to be quaffing we ought to be quaffing you ought to be quaffing they ought to be quaffing
Perfect	V-ing perfect
I ought to have quaffed you ought to have quaffed he ought to have quaffed we ought to have quaffed you ought to have quaffed they ought to have quaffed	I ought to have been quaffing you ought to have been quaffing he ought to have been quaffing we ought to have been quaffing you ought to have been quaffing they ought to have been quaffing

Negation

Simple form	V-ing form
I oughtn't to quaff you oughtn't to quaff he oughtn't to quaff we oughtn't to quaff you oughtn't to quaff they oughtn't to quaff	I oughtn't to be quaffing you oughtn't to be quaffing he oughtn't to be quaffing we oughtn't to be quaffing you oughtn't to be quaffing they oughtn't to be quaffing
Perfect	V-ing perfect
I oughtn't to have quaffed you oughtn't to have quaffed he oughtn't to have quaffed we oughtn't to have quaffed you oughtn't to have quaffed they oughtn't to have quaffed	I oughtn't to have been quaffing you oughtn't to have been quaffing he oughtn't to have been quaffing we oughtn't to have been quaffing you oughtn't to have been quaffing they oughtn't to have been quaffing

Interrogative form

Simple form	V-ing form
ought to I quaff? ought to you quaff? ought to he quaff? ought to we quaff? ought to you quaff? ought to they quaff?	ought to I be quaffing? ought to you be quaffing? ought to he be quaffing? ought to we be quaffing? ought to you be quaffing? ought to they be quaffing?
Perfect	V-ing perfect
ought to I have quaffed? ought to you have quaffed? ought to he have quaffed? ought to we have quaffed? ought to you have quaffed? ought to they have quaffed?	ought to I have been quaffing? ought to you have been quaffing? ought to he have been quaffing? ought to we have been quaffing? ought to you have been quaffing? ought to they have been quaffing?

Interro-negative form

Simple form	V-ing form
oughtn't I to quaff? oughtn't you to quaff? oughtn't he to quaff? oughtn't we to quaff? oughtn't you to quaff? oughtn't they to quaff?	oughtn't I to be quaffing? oughtn't you to be quaffing? oughtn't he to be quaffing? oughtn't we to be quaffing? oughtn't you to be quaffing? oughtn't they to be quaffing?
Perfect	V-ing perfect
oughtn't I to have quaffed? oughtn't you to have quaffed? oughtn't he to have quaffed? oughtn't we to have quaffed? oughtn't you to have quaffed? oughtn't they to have quaffed?	oughtn't I to have been quaffing? oughtn't you to have been quaffing? oughtn't he to have been quaffing? oughtn't we to have been quaffing? oughtn't you to have been quaffing? oughtn't they to have been quaffing?