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