I may begin you may begin she may begin we may begin you may begin they may begin
V-ing form
I may be beginning you may be beginning she may be beginning we may be beginning you may be beginning they may be beginning
Perfect
I may have begun you may have begun she may have begun we may have begun you may have begun they may have begun
V-ing perfect
I may have been beginning you may have been beginning she may have been beginning we may have been beginning you may have been beginning they may have been beginning
Negation
Simple form
I mayn't begin you mayn't begin she mayn't begin we mayn't begin you mayn't begin they mayn't begin
V-ing form
I mayn't be beginning you mayn't be beginning she mayn't be beginning we mayn't be beginning you mayn't be beginning they mayn't be beginning
Perfect
I mayn't have begun you mayn't have begun she mayn't have begun we mayn't have begun you mayn't have begun they mayn't have begun
V-ing perfect
I mayn't have been beginning you mayn't have been beginning she mayn't have been beginning we mayn't have been beginning you mayn't have been beginning they mayn't have been beginning
Interrogative form
Simple form
may I begin? may you begin? may she begin? may we begin? may you begin? may they begin?
V-ing form
may I be beginning? may you be beginning? may she be beginning? may we be beginning? may you be beginning? may they be beginning?
Perfect
may I have begun? may you have begun? may she have begun? may we have begun? may you have begun? may they have begun?
V-ing perfect
may I have been beginning? may you have been beginning? may she have been beginning? may we have been beginning? may you have been beginning? may they have been beginning?
Interro-negative form
Simple form
mayn't I begin? mayn't you begin? mayn't she begin? mayn't we begin? mayn't you begin? mayn't they begin?
V-ing form
mayn't I be beginning? mayn't you be beginning? mayn't she be beginning? mayn't we be beginning? mayn't you be beginning? mayn't they be beginning?
Perfect
mayn't I have begun? mayn't you have begun? mayn't she have begun? mayn't we have begun? mayn't you have begun? mayn't they have begun?
V-ing perfect
mayn't I have been beginning? mayn't you have been beginning? mayn't she have been beginning? mayn't we have been beginning? mayn't you have been beginning? mayn't they have been beginning?