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