English verb conjugation
OUGHT TO POSSESS

Regular verb: possess - possessed - possessed

Affirmation

Simple form	V-ing form
I ought to possess you ought to possess she ought to possess we ought to possess you ought to possess they ought to possess	I ought to be possessing you ought to be possessing she ought to be possessing we ought to be possessing you ought to be possessing they ought to be possessing
Perfect	V-ing perfect
I ought to have possessed you ought to have possessed she ought to have possessed we ought to have possessed you ought to have possessed they ought to have possessed	I ought to have been possessing you ought to have been possessing she ought to have been possessing we ought to have been possessing you ought to have been possessing they ought to have been possessing

Negation

Simple form	V-ing form
I oughtn't to possess you oughtn't to possess she oughtn't to possess we oughtn't to possess you oughtn't to possess they oughtn't to possess	I oughtn't to be possessing you oughtn't to be possessing she oughtn't to be possessing we oughtn't to be possessing you oughtn't to be possessing they oughtn't to be possessing
Perfect	V-ing perfect
I oughtn't to have possessed you oughtn't to have possessed she oughtn't to have possessed we oughtn't to have possessed you oughtn't to have possessed they oughtn't to have possessed	I oughtn't to have been possessing you oughtn't to have been possessing she oughtn't to have been possessing we oughtn't to have been possessing you oughtn't to have been possessing they oughtn't to have been possessing

Interrogative form

Simple form	V-ing form
ought to I possess? ought to you possess? ought to she possess? ought to we possess? ought to you possess? ought to they possess?	ought to I be possessing? ought to you be possessing? ought to she be possessing? ought to we be possessing? ought to you be possessing? ought to they be possessing?
Perfect	V-ing perfect
ought to I have possessed? ought to you have possessed? ought to she have possessed? ought to we have possessed? ought to you have possessed? ought to they have possessed?	ought to I have been possessing? ought to you have been possessing? ought to she have been possessing? ought to we have been possessing? ought to you have been possessing? ought to they have been possessing?

Interro-negative form

Simple form	V-ing form
oughtn't I to possess? oughtn't you to possess? oughtn't she to possess? oughtn't we to possess? oughtn't you to possess? oughtn't they to possess?	oughtn't I to be possessing? oughtn't you to be possessing? oughtn't she to be possessing? oughtn't we to be possessing? oughtn't you to be possessing? oughtn't they to be possessing?
Perfect	V-ing perfect
oughtn't I to have possessed? oughtn't you to have possessed? oughtn't she to have possessed? oughtn't we to have possessed? oughtn't you to have possessed? oughtn't they to have possessed?	oughtn't I to have been possessing? oughtn't you to have been possessing? oughtn't she to have been possessing? oughtn't we to have been possessing? oughtn't you to have been possessing? oughtn't they to have been possessing?