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