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