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