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