English verb conjugation
COULD FORBID

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

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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