Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I ought to frighten frighten you ought to frighten frighten he ought to frighten frighten we ought to frighten frighten you ought to frighten frighten they ought to frighten frighten
V-ing form
I ought to be frighten frightening you ought to be frighten frightening he ought to be frighten frightening we ought to be frighten frightening you ought to be frighten frightening they ought to be frighten frightening
Perfect
I ought to have frighten frightened you ought to have frighten frightened he ought to have frighten frightened we ought to have frighten frightened you ought to have frighten frightened they ought to have frighten frightened
V-ing perfect
I ought to have been frighten frightening you ought to have been frighten frightening he ought to have been frighten frightening we ought to have been frighten frightening you ought to have been frighten frightening they ought to have been frighten frightening
Negation
Simple form
I oughtn't to frighten frighten you oughtn't to frighten frighten he oughtn't to frighten frighten we oughtn't to frighten frighten you oughtn't to frighten frighten they oughtn't to frighten frighten
V-ing form
I oughtn't to be frighten frightening you oughtn't to be frighten frightening he oughtn't to be frighten frightening we oughtn't to be frighten frightening you oughtn't to be frighten frightening they oughtn't to be frighten frightening
Perfect
I oughtn't to have frighten frightened you oughtn't to have frighten frightened he oughtn't to have frighten frightened we oughtn't to have frighten frightened you oughtn't to have frighten frightened they oughtn't to have frighten frightened
V-ing perfect
I oughtn't to have been frighten frightening you oughtn't to have been frighten frightening he oughtn't to have been frighten frightening we oughtn't to have been frighten frightening you oughtn't to have been frighten frightening they oughtn't to have been frighten frightening
Interrogative form
Simple form
ought to I frighten frighten? ought to you frighten frighten? ought to he frighten frighten? ought to we frighten frighten? ought to you frighten frighten? ought to they frighten frighten?
V-ing form
ought to I be frighten frightening? ought to you be frighten frightening? ought to he be frighten frightening? ought to we be frighten frightening? ought to you be frighten frightening? ought to they be frighten frightening?
Perfect
ought to I have frighten frightened? ought to you have frighten frightened? ought to he have frighten frightened? ought to we have frighten frightened? ought to you have frighten frightened? ought to they have frighten frightened?
V-ing perfect
ought to I have been frighten frightening? ought to you have been frighten frightening? ought to he have been frighten frightening? ought to we have been frighten frightening? ought to you have been frighten frightening? ought to they have been frighten frightening?
Interro-negative form
Simple form
oughtn't I to frighten frighten? oughtn't you to frighten frighten? oughtn't he to frighten frighten? oughtn't we to frighten frighten? oughtn't you to frighten frighten? oughtn't they to frighten frighten?
V-ing form
oughtn't I to be frighten frightening? oughtn't you to be frighten frightening? oughtn't he to be frighten frightening? oughtn't we to be frighten frightening? oughtn't you to be frighten frightening? oughtn't they to be frighten frightening?
Perfect
oughtn't I to have frighten frightened? oughtn't you to have frighten frightened? oughtn't he to have frighten frightened? oughtn't we to have frighten frightened? oughtn't you to have frighten frightened? oughtn't they to have frighten frightened?
V-ing perfect
oughtn't I to have been frighten frightening? oughtn't you to have been frighten frightening? oughtn't he to have been frighten frightening? oughtn't we to have been frighten frightening? oughtn't you to have been frighten frightening? oughtn't they to have been frighten frightening?