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