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