English verb conjugation
OUGHT TO QUIZ

Regular verb: quiz - quizzed - quizzed

Affirmation

Simple form	V-ing form
I ought to quiz you ought to quiz he ought to quiz we ought to quiz you ought to quiz they ought to quiz	I ought to be quizzing you ought to be quizzing he ought to be quizzing we ought to be quizzing you ought to be quizzing they ought to be quizzing
Perfect	V-ing perfect
I ought to have quizzed you ought to have quizzed he ought to have quizzed we ought to have quizzed you ought to have quizzed they ought to have quizzed	I ought to have been quizzing you ought to have been quizzing he ought to have been quizzing we ought to have been quizzing you ought to have been quizzing they ought to have been quizzing

Negation

Simple form	V-ing form
I oughtn't to quiz you oughtn't to quiz he oughtn't to quiz we oughtn't to quiz you oughtn't to quiz they oughtn't to quiz	I oughtn't to be quizzing you oughtn't to be quizzing he oughtn't to be quizzing we oughtn't to be quizzing you oughtn't to be quizzing they oughtn't to be quizzing
Perfect	V-ing perfect
I oughtn't to have quizzed you oughtn't to have quizzed he oughtn't to have quizzed we oughtn't to have quizzed you oughtn't to have quizzed they oughtn't to have quizzed	I oughtn't to have been quizzing you oughtn't to have been quizzing he oughtn't to have been quizzing we oughtn't to have been quizzing you oughtn't to have been quizzing they oughtn't to have been quizzing

Interrogative form

Simple form	V-ing form
ought to I quiz? ought to you quiz? ought to he quiz? ought to we quiz? ought to you quiz? ought to they quiz?	ought to I be quizzing? ought to you be quizzing? ought to he be quizzing? ought to we be quizzing? ought to you be quizzing? ought to they be quizzing?
Perfect	V-ing perfect
ought to I have quizzed? ought to you have quizzed? ought to he have quizzed? ought to we have quizzed? ought to you have quizzed? ought to they have quizzed?	ought to I have been quizzing? ought to you have been quizzing? ought to he have been quizzing? ought to we have been quizzing? ought to you have been quizzing? ought to they have been quizzing?

Interro-negative form

Simple form	V-ing form
oughtn't I to quiz? oughtn't you to quiz? oughtn't he to quiz? oughtn't we to quiz? oughtn't you to quiz? oughtn't they to quiz?	oughtn't I to be quizzing? oughtn't you to be quizzing? oughtn't he to be quizzing? oughtn't we to be quizzing? oughtn't you to be quizzing? oughtn't they to be quizzing?
Perfect	V-ing perfect
oughtn't I to have quizzed? oughtn't you to have quizzed? oughtn't he to have quizzed? oughtn't we to have quizzed? oughtn't you to have quizzed? oughtn't they to have quizzed?	oughtn't I to have been quizzing? oughtn't you to have been quizzing? oughtn't he to have been quizzing? oughtn't we to have been quizzing? oughtn't you to have been quizzing? oughtn't they to have been quizzing?