Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I may disappear disappear you may disappear disappear he may disappear disappear we may disappear disappear you may disappear disappear they may disappear disappear
V-ing form
I may be disappear disappearing you may be disappear disappearing he may be disappear disappearing we may be disappear disappearing you may be disappear disappearing they may be disappear disappearing
Perfect
I may have disappear disappeared you may have disappear disappeared he may have disappear disappeared we may have disappear disappeared you may have disappear disappeared they may have disappear disappeared
V-ing perfect
I may have been disappear disappearing you may have been disappear disappearing he may have been disappear disappearing we may have been disappear disappearing you may have been disappear disappearing they may have been disappear disappearing
Negation
Simple form
I mayn't disappear disappear you mayn't disappear disappear he mayn't disappear disappear we mayn't disappear disappear you mayn't disappear disappear they mayn't disappear disappear
V-ing form
I mayn't be disappear disappearing you mayn't be disappear disappearing he mayn't be disappear disappearing we mayn't be disappear disappearing you mayn't be disappear disappearing they mayn't be disappear disappearing
Perfect
I mayn't have disappear disappeared you mayn't have disappear disappeared he mayn't have disappear disappeared we mayn't have disappear disappeared you mayn't have disappear disappeared they mayn't have disappear disappeared
V-ing perfect
I mayn't have been disappear disappearing you mayn't have been disappear disappearing he mayn't have been disappear disappearing we mayn't have been disappear disappearing you mayn't have been disappear disappearing they mayn't have been disappear disappearing
Interrogative form
Simple form
may I disappear disappear? may you disappear disappear? may he disappear disappear? may we disappear disappear? may you disappear disappear? may they disappear disappear?
V-ing form
may I be disappear disappearing? may you be disappear disappearing? may he be disappear disappearing? may we be disappear disappearing? may you be disappear disappearing? may they be disappear disappearing?
Perfect
may I have disappear disappeared? may you have disappear disappeared? may he have disappear disappeared? may we have disappear disappeared? may you have disappear disappeared? may they have disappear disappeared?
V-ing perfect
may I have been disappear disappearing? may you have been disappear disappearing? may he have been disappear disappearing? may we have been disappear disappearing? may you have been disappear disappearing? may they have been disappear disappearing?
Interro-negative form
Simple form
mayn't I disappear disappear? mayn't you disappear disappear? mayn't he disappear disappear? mayn't we disappear disappear? mayn't you disappear disappear? mayn't they disappear disappear?
V-ing form
mayn't I be disappear disappearing? mayn't you be disappear disappearing? mayn't he be disappear disappearing? mayn't we be disappear disappearing? mayn't you be disappear disappearing? mayn't they be disappear disappearing?
Perfect
mayn't I have disappear disappeared? mayn't you have disappear disappeared? mayn't he have disappear disappeared? mayn't we have disappear disappeared? mayn't you have disappear disappeared? mayn't they have disappear disappeared?
V-ing perfect
mayn't I have been disappear disappearing? mayn't you have been disappear disappearing? mayn't he have been disappear disappearing? mayn't we have been disappear disappearing? mayn't you have been disappear disappearing? mayn't they have been disappear disappearing?