English verb conjugation
SHOULD FORBID

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

Affirmation

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

Negation

Simple form	V-ing form
I should not forbid you should not forbid he should not forbid we should not forbid you should not forbid they should not forbid	I should not be forbidding you should not be forbidding he should not be forbidding we should not be forbidding you should not be forbidding they should not be forbidding
Perfect	V-ing perfect
I should not have forbid, forbidden you should not have forbid, forbidden he should not have forbid, forbidden we should not have forbid, forbidden you should not have forbid, forbidden they should not have forbid, forbidden	I should not have been forbidding you should not have been forbidding he should not have been forbidding we should not have been forbidding you should not have been forbidding they should not have been forbidding

Interrogative form

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

Interro-negative form

Simple form	V-ing form
should I not forbid? should you not forbid? should he not forbid? should we not forbid? should you not forbid? should they not forbid?	should I not be forbidding? should you not be forbidding? should he not be forbidding? should we not be forbidding? should you not be forbidding? should they not be forbidding?
Perfect	V-ing perfect
should I not have forbid, forbidden? should you not have forbid, forbidden? should he not have forbid, forbidden? should we not have forbid, forbidden? should you not have forbid, forbidden? should they not have forbid, forbidden?	should I not have been forbidding? should you not have been forbidding? should he not have been forbidding? should we not have been forbidding? should you not have been forbidding? should they not have been forbidding?