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