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