I may comb you may comb he may comb we may comb you may comb they may comb
V-ing form
I may be combing you may be combing he may be combing we may be combing you may be combing they may be combing
Perfect
I may have combed you may have combed he may have combed we may have combed you may have combed they may have combed
V-ing perfect
I may have been combing you may have been combing he may have been combing we may have been combing you may have been combing they may have been combing
Negation
Simple form
I mayn't comb you mayn't comb he mayn't comb we mayn't comb you mayn't comb they mayn't comb
V-ing form
I mayn't be combing you mayn't be combing he mayn't be combing we mayn't be combing you mayn't be combing they mayn't be combing
Perfect
I mayn't have combed you mayn't have combed he mayn't have combed we mayn't have combed you mayn't have combed they mayn't have combed
V-ing perfect
I mayn't have been combing you mayn't have been combing he mayn't have been combing we mayn't have been combing you mayn't have been combing they mayn't have been combing
Interrogative form
Simple form
may I comb? may you comb? may he comb? may we comb? may you comb? may they comb?
V-ing form
may I be combing? may you be combing? may he be combing? may we be combing? may you be combing? may they be combing?
Perfect
may I have combed? may you have combed? may he have combed? may we have combed? may you have combed? may they have combed?
V-ing perfect
may I have been combing? may you have been combing? may he have been combing? may we have been combing? may you have been combing? may they have been combing?
Interro-negative form
Simple form
mayn't I comb? mayn't you comb? mayn't he comb? mayn't we comb? mayn't you comb? mayn't they comb?
V-ing form
mayn't I be combing? mayn't you be combing? mayn't he be combing? mayn't we be combing? mayn't you be combing? mayn't they be combing?
Perfect
mayn't I have combed? mayn't you have combed? mayn't he have combed? mayn't we have combed? mayn't you have combed? mayn't they have combed?
V-ing perfect
mayn't I have been combing? mayn't you have been combing? mayn't he have been combing? mayn't we have been combing? mayn't you have been combing? mayn't they have been combing?