ought to possess
Regular verb: possess - possessed- possessed

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