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