English verb conjugation
OUGHT TO PREINFORM

Regular verb: preinform - preinformed - preinformed

Affirmation

Simple form	V-ing form
I ought to preinform you ought to preinform he ought to preinform we ought to preinform you ought to preinform they ought to preinform	I ought to be preinforming you ought to be preinforming he ought to be preinforming we ought to be preinforming you ought to be preinforming they ought to be preinforming
Perfect	V-ing perfect
I ought to have preinformed you ought to have preinformed he ought to have preinformed we ought to have preinformed you ought to have preinformed they ought to have preinformed	I ought to have been preinforming you ought to have been preinforming he ought to have been preinforming we ought to have been preinforming you ought to have been preinforming they ought to have been preinforming

Negation

Simple form	V-ing form
I oughtn't to preinform you oughtn't to preinform he oughtn't to preinform we oughtn't to preinform you oughtn't to preinform they oughtn't to preinform	I oughtn't to be preinforming you oughtn't to be preinforming he oughtn't to be preinforming we oughtn't to be preinforming you oughtn't to be preinforming they oughtn't to be preinforming
Perfect	V-ing perfect
I oughtn't to have preinformed you oughtn't to have preinformed he oughtn't to have preinformed we oughtn't to have preinformed you oughtn't to have preinformed they oughtn't to have preinformed	I oughtn't to have been preinforming you oughtn't to have been preinforming he oughtn't to have been preinforming we oughtn't to have been preinforming you oughtn't to have been preinforming they oughtn't to have been preinforming

Interrogative form

Simple form	V-ing form
ought to I preinform? ought to you preinform? ought to he preinform? ought to we preinform? ought to you preinform? ought to they preinform?	ought to I be preinforming? ought to you be preinforming? ought to he be preinforming? ought to we be preinforming? ought to you be preinforming? ought to they be preinforming?
Perfect	V-ing perfect
ought to I have preinformed? ought to you have preinformed? ought to he have preinformed? ought to we have preinformed? ought to you have preinformed? ought to they have preinformed?	ought to I have been preinforming? ought to you have been preinforming? ought to he have been preinforming? ought to we have been preinforming? ought to you have been preinforming? ought to they have been preinforming?

Interro-negative form

Simple form	V-ing form
oughtn't I to preinform? oughtn't you to preinform? oughtn't he to preinform? oughtn't we to preinform? oughtn't you to preinform? oughtn't they to preinform?	oughtn't I to be preinforming? oughtn't you to be preinforming? oughtn't he to be preinforming? oughtn't we to be preinforming? oughtn't you to be preinforming? oughtn't they to be preinforming?
Perfect	V-ing perfect
oughtn't I to have preinformed? oughtn't you to have preinformed? oughtn't he to have preinformed? oughtn't we to have preinformed? oughtn't you to have preinformed? oughtn't they to have preinformed?	oughtn't I to have been preinforming? oughtn't you to have been preinforming? oughtn't he to have been preinforming? oughtn't we to have been preinforming? oughtn't you to have been preinforming? oughtn't they to have been preinforming?