English verb conjugation
OUGHT TO QUENCH

Regular verb: quench - quenched - quenched

Affirmation

Simple form	V-ing form
I ought to quench you ought to quench he ought to quench we ought to quench you ought to quench they ought to quench	I ought to be quenching you ought to be quenching he ought to be quenching we ought to be quenching you ought to be quenching they ought to be quenching
Perfect	V-ing perfect
I ought to have quenched you ought to have quenched he ought to have quenched we ought to have quenched you ought to have quenched they ought to have quenched	I ought to have been quenching you ought to have been quenching he ought to have been quenching we ought to have been quenching you ought to have been quenching they ought to have been quenching

Negation

Simple form	V-ing form
I oughtn't to quench you oughtn't to quench he oughtn't to quench we oughtn't to quench you oughtn't to quench they oughtn't to quench	I oughtn't to be quenching you oughtn't to be quenching he oughtn't to be quenching we oughtn't to be quenching you oughtn't to be quenching they oughtn't to be quenching
Perfect	V-ing perfect
I oughtn't to have quenched you oughtn't to have quenched he oughtn't to have quenched we oughtn't to have quenched you oughtn't to have quenched they oughtn't to have quenched	I oughtn't to have been quenching you oughtn't to have been quenching he oughtn't to have been quenching we oughtn't to have been quenching you oughtn't to have been quenching they oughtn't to have been quenching

Interrogative form

Simple form	V-ing form
ought to I quench? ought to you quench? ought to he quench? ought to we quench? ought to you quench? ought to they quench?	ought to I be quenching? ought to you be quenching? ought to he be quenching? ought to we be quenching? ought to you be quenching? ought to they be quenching?
Perfect	V-ing perfect
ought to I have quenched? ought to you have quenched? ought to he have quenched? ought to we have quenched? ought to you have quenched? ought to they have quenched?	ought to I have been quenching? ought to you have been quenching? ought to he have been quenching? ought to we have been quenching? ought to you have been quenching? ought to they have been quenching?

Interro-negative form

Simple form	V-ing form
oughtn't I to quench? oughtn't you to quench? oughtn't he to quench? oughtn't we to quench? oughtn't you to quench? oughtn't they to quench?	oughtn't I to be quenching? oughtn't you to be quenching? oughtn't he to be quenching? oughtn't we to be quenching? oughtn't you to be quenching? oughtn't they to be quenching?
Perfect	V-ing perfect
oughtn't I to have quenched? oughtn't you to have quenched? oughtn't he to have quenched? oughtn't we to have quenched? oughtn't you to have quenched? oughtn't they to have quenched?	oughtn't I to have been quenching? oughtn't you to have been quenching? oughtn't he to have been quenching? oughtn't we to have been quenching? oughtn't you to have been quenching? oughtn't they to have been quenching?