I may forbid you may forbid he may forbid we may forbid you may forbid they may forbid
V-ing form
I may be forbidding you may be forbidding he may be forbidding we may be forbidding you may be forbidding they may be forbidding
Perfect
I may have forbid, forbidden you may have forbid, forbidden he may have forbid, forbidden we may have forbid, forbidden you may have forbid, forbidden they may have forbid, forbidden
V-ing perfect
I may have been forbidding you may have been forbidding he may have been forbidding we may have been forbidding you may have been forbidding they may have been forbidding
Negation
Simple form
I may not forbid you may not forbid he may not forbid we may not forbid you may not forbid they may not forbid
V-ing form
I may not be forbidding you may not be forbidding he may not be forbidding we may not be forbidding you may not be forbidding they may not be forbidding
Perfect
I may not have forbid, forbidden you may not have forbid, forbidden he may not have forbid, forbidden we may not have forbid, forbidden you may not have forbid, forbidden they may not have forbid, forbidden
V-ing perfect
I may not have been forbidding you may not have been forbidding he may not have been forbidding we may not have been forbidding you may not have been forbidding they may not have been forbidding
Interrogative form
Simple form
may I forbid? may you forbid? may he forbid? may we forbid? may you forbid? may they forbid?
V-ing form
may I be forbidding? may you be forbidding? may he be forbidding? may we be forbidding? may you be forbidding? may they be forbidding?
Perfect
may I have forbid, forbidden? may you have forbid, forbidden? may he have forbid, forbidden? may we have forbid, forbidden? may you have forbid, forbidden? may they have forbid, forbidden?
V-ing perfect
may I have been forbidding? may you have been forbidding? may he have been forbidding? may we have been forbidding? may you have been forbidding? may they have been forbidding?
Interro-negative form
Simple form
may I not forbid? may you not forbid? may he not forbid? may we not forbid? may you not forbid? may they not forbid?
V-ing form
may I not be forbidding? may you not be forbidding? may he not be forbidding? may we not be forbidding? may you not be forbidding? may they not be forbidding?
Perfect
may I not have forbid, forbidden? may you not have forbid, forbidden? may he not have forbid, forbidden? may we not have forbid, forbidden? may you not have forbid, forbidden? may they not have forbid, forbidden?
V-ing perfect
may I not have been forbidding? may you not have been forbidding? may he not have been forbidding? may we not have been forbidding? may you not have been forbidding? may they not have been forbidding?