English verb conjugation
OUGHT TO FORBID

Irregular verb: forbid - forbid, forbade - forbid, forbidden

Affirmation

Simple form	V-ing form
I ought to forbid you ought to forbid he ought to forbid we ought to forbid you ought to forbid they ought to forbid	I ought to be forbidding you ought to be forbidding he ought to be forbidding we ought to be forbidding you ought to be forbidding they ought to be forbidding
Perfect	V-ing perfect
I ought to have forbid, forbidden you ought to have forbid, forbidden he ought to have forbid, forbidden we ought to have forbid, forbidden you ought to have forbid, forbidden they ought to have forbid, forbidden	I ought to have been forbidding you ought to have been forbidding he ought to have been forbidding we ought to have been forbidding you ought to have been forbidding they ought to have been forbidding

Negation

Simple form	V-ing form
I oughtn't to forbid you oughtn't to forbid he oughtn't to forbid we oughtn't to forbid you oughtn't to forbid they oughtn't to forbid	I oughtn't to be forbidding you oughtn't to be forbidding he oughtn't to be forbidding we oughtn't to be forbidding you oughtn't to be forbidding they oughtn't to be forbidding
Perfect	V-ing perfect
I oughtn't to have forbid, forbidden you oughtn't to have forbid, forbidden he oughtn't to have forbid, forbidden we oughtn't to have forbid, forbidden you oughtn't to have forbid, forbidden they oughtn't to have forbid, forbidden	I oughtn't to have been forbidding you oughtn't to have been forbidding he oughtn't to have been forbidding we oughtn't to have been forbidding you oughtn't to have been forbidding they oughtn't to have been forbidding

Interrogative form

Simple form	V-ing form
ought to I forbid? ought to you forbid? ought to he forbid? ought to we forbid? ought to you forbid? ought to they forbid?	ought to I be forbidding? ought to you be forbidding? ought to he be forbidding? ought to we be forbidding? ought to you be forbidding? ought to they be forbidding?
Perfect	V-ing perfect
ought to I have forbid, forbidden? ought to you have forbid, forbidden? ought to he have forbid, forbidden? ought to we have forbid, forbidden? ought to you have forbid, forbidden? ought to they have forbid, forbidden?	ought to I have been forbidding? ought to you have been forbidding? ought to he have been forbidding? ought to we have been forbidding? ought to you have been forbidding? ought to they have been forbidding?

Interro-negative form

Simple form	V-ing form
oughtn't I to forbid? oughtn't you to forbid? oughtn't he to forbid? oughtn't we to forbid? oughtn't you to forbid? oughtn't they to forbid?	oughtn't I to be forbidding? oughtn't you to be forbidding? oughtn't he to be forbidding? oughtn't we to be forbidding? oughtn't you to be forbidding? oughtn't they to be forbidding?
Perfect	V-ing perfect
oughtn't I to have forbid, forbidden? oughtn't you to have forbid, forbidden? oughtn't he to have forbid, forbidden? oughtn't we to have forbid, forbidden? oughtn't you to have forbid, forbidden? oughtn't they to have forbid, forbidden?	oughtn't I to have been forbidding? oughtn't you to have been forbidding? oughtn't he to have been forbidding? oughtn't we to have been forbidding? oughtn't you to have been forbidding? oughtn't they to have been forbidding?