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