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