English verb conjugation
OUGHT TO VITIATE

Regular verb: vitiate - vitiated - vitiated

Affirmation

Simple form	V-ing form
I ought to vitiate you ought to vitiate he ought to vitiate we ought to vitiate you ought to vitiate they ought to vitiate	I ought to be vitiating you ought to be vitiating he ought to be vitiating we ought to be vitiating you ought to be vitiating they ought to be vitiating
Perfect	V-ing perfect
I ought to have vitiated you ought to have vitiated he ought to have vitiated we ought to have vitiated you ought to have vitiated they ought to have vitiated	I ought to have been vitiating you ought to have been vitiating he ought to have been vitiating we ought to have been vitiating you ought to have been vitiating they ought to have been vitiating

Negation

Simple form	V-ing form
I oughtn't to vitiate you oughtn't to vitiate he oughtn't to vitiate we oughtn't to vitiate you oughtn't to vitiate they oughtn't to vitiate	I oughtn't to be vitiating you oughtn't to be vitiating he oughtn't to be vitiating we oughtn't to be vitiating you oughtn't to be vitiating they oughtn't to be vitiating
Perfect	V-ing perfect
I oughtn't to have vitiated you oughtn't to have vitiated he oughtn't to have vitiated we oughtn't to have vitiated you oughtn't to have vitiated they oughtn't to have vitiated	I oughtn't to have been vitiating you oughtn't to have been vitiating he oughtn't to have been vitiating we oughtn't to have been vitiating you oughtn't to have been vitiating they oughtn't to have been vitiating

Interrogative form

Simple form	V-ing form
ought to I vitiate? ought to you vitiate? ought to he vitiate? ought to we vitiate? ought to you vitiate? ought to they vitiate?	ought to I be vitiating? ought to you be vitiating? ought to he be vitiating? ought to we be vitiating? ought to you be vitiating? ought to they be vitiating?
Perfect	V-ing perfect
ought to I have vitiated? ought to you have vitiated? ought to he have vitiated? ought to we have vitiated? ought to you have vitiated? ought to they have vitiated?	ought to I have been vitiating? ought to you have been vitiating? ought to he have been vitiating? ought to we have been vitiating? ought to you have been vitiating? ought to they have been vitiating?

Interro-negative form

Simple form	V-ing form
oughtn't I to vitiate? oughtn't you to vitiate? oughtn't he to vitiate? oughtn't we to vitiate? oughtn't you to vitiate? oughtn't they to vitiate?	oughtn't I to be vitiating? oughtn't you to be vitiating? oughtn't he to be vitiating? oughtn't we to be vitiating? oughtn't you to be vitiating? oughtn't they to be vitiating?
Perfect	V-ing perfect
oughtn't I to have vitiated? oughtn't you to have vitiated? oughtn't he to have vitiated? oughtn't we to have vitiated? oughtn't you to have vitiated? oughtn't they to have vitiated?	oughtn't I to have been vitiating? oughtn't you to have been vitiating? oughtn't he to have been vitiating? oughtn't we to have been vitiating? oughtn't you to have been vitiating? oughtn't they to have been vitiating?