English verb conjugation
OUGHT TO NITRIFY

Regular verb: nitrify - nitrified - nitrified

Affirmation

Simple form	V-ing form
I ought to nitrify you ought to nitrify she ought to nitrify we ought to nitrify you ought to nitrify they ought to nitrify	I ought to be nitrifying you ought to be nitrifying she ought to be nitrifying we ought to be nitrifying you ought to be nitrifying they ought to be nitrifying
Perfect	V-ing perfect
I ought to have nitrified you ought to have nitrified she ought to have nitrified we ought to have nitrified you ought to have nitrified they ought to have nitrified	I ought to have been nitrifying you ought to have been nitrifying she ought to have been nitrifying we ought to have been nitrifying you ought to have been nitrifying they ought to have been nitrifying

Negation

Simple form	V-ing form
I oughtn't to nitrify you oughtn't to nitrify she oughtn't to nitrify we oughtn't to nitrify you oughtn't to nitrify they oughtn't to nitrify	I oughtn't to be nitrifying you oughtn't to be nitrifying she oughtn't to be nitrifying we oughtn't to be nitrifying you oughtn't to be nitrifying they oughtn't to be nitrifying
Perfect	V-ing perfect
I oughtn't to have nitrified you oughtn't to have nitrified she oughtn't to have nitrified we oughtn't to have nitrified you oughtn't to have nitrified they oughtn't to have nitrified	I oughtn't to have been nitrifying you oughtn't to have been nitrifying she oughtn't to have been nitrifying we oughtn't to have been nitrifying you oughtn't to have been nitrifying they oughtn't to have been nitrifying

Interrogative form

Simple form	V-ing form
ought to I nitrify? ought to you nitrify? ought to she nitrify? ought to we nitrify? ought to you nitrify? ought to they nitrify?	ought to I be nitrifying? ought to you be nitrifying? ought to she be nitrifying? ought to we be nitrifying? ought to you be nitrifying? ought to they be nitrifying?
Perfect	V-ing perfect
ought to I have nitrified? ought to you have nitrified? ought to she have nitrified? ought to we have nitrified? ought to you have nitrified? ought to they have nitrified?	ought to I have been nitrifying? ought to you have been nitrifying? ought to she have been nitrifying? ought to we have been nitrifying? ought to you have been nitrifying? ought to they have been nitrifying?

Interro-negative form

Simple form	V-ing form
oughtn't I to nitrify? oughtn't you to nitrify? oughtn't she to nitrify? oughtn't we to nitrify? oughtn't you to nitrify? oughtn't they to nitrify?	oughtn't I to be nitrifying? oughtn't you to be nitrifying? oughtn't she to be nitrifying? oughtn't we to be nitrifying? oughtn't you to be nitrifying? oughtn't they to be nitrifying?
Perfect	V-ing perfect
oughtn't I to have nitrified? oughtn't you to have nitrified? oughtn't she to have nitrified? oughtn't we to have nitrified? oughtn't you to have nitrified? oughtn't they to have nitrified?	oughtn't I to have been nitrifying? oughtn't you to have been nitrifying? oughtn't she to have been nitrifying? oughtn't we to have been nitrifying? oughtn't you to have been nitrifying? oughtn't they to have been nitrifying?