I may reference you may reference she may reference we may reference you may reference they may reference
V-ing form
I may be referencing you may be referencing she may be referencing we may be referencing you may be referencing they may be referencing
Perfect
I may have referenced you may have referenced she 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 she may have been referencing we may have been referencing you may have been referencing they may have been referencing
Negation
Simple form
I may not reference you may not reference she may not reference we may not reference you may not reference they may not reference
V-ing form
I may not be referencing you may not be referencing she may not be referencing we may not be referencing you may not be referencing they may not be referencing
Perfect
I may not have referenced you may not have referenced she may not have referenced we may not have referenced you may not have referenced they may not have referenced
V-ing perfect
I may not have been referencing you may not have been referencing she may not have been referencing we may not have been referencing you may not have been referencing they may not have been referencing
Interrogative form
Simple form
may I reference? may you reference? may she reference? may we reference? may you reference? may they reference?
V-ing form
may I be referencing? may you be referencing? may she be referencing? may we be referencing? may you be referencing? may they be referencing?
Perfect
may I have referenced? may you have referenced? may she 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 she have been referencing? may we have been referencing? may you have been referencing? may they have been referencing?
Interro-negative form
Simple form
may I not reference? may you not reference? may she not reference? may we not reference? may you not reference? may they not reference?
V-ing form
may I not be referencing? may you not be referencing? may she not be referencing? may we not be referencing? may you not be referencing? may they not be referencing?
Perfect
may I not have referenced? may you not have referenced? may she not have referenced? may we not have referenced? may you not have referenced? may they not have referenced?
V-ing perfect
may I not have been referencing? may you not have been referencing? may she not have been referencing? may we not have been referencing? may you not have been referencing? may they not have been referencing?