English verb conjugation
SHOULD REFERENCE

Regular verb: reference - referenced - referenced

Affirmation

Simple form	V-ing form
I'd reference you'd reference she'd reference we'd reference you'd reference they'd reference	I'd be referencing you'd be referencing she'd be referencing we'd be referencing you'd be referencing they'd be referencing
Perfect	V-ing perfect
I should've referenced you should've referenced she should've referenced we should've referenced you should've referenced they should've referenced	I should've been referencing you should've been referencing she should've been referencing we should've been referencing you should've been referencing they should've been referencing

Negation

Simple form	V-ing form
I shouldn't reference you shouldn't reference she shouldn't reference we shouldn't reference you shouldn't reference they shouldn't reference	I shouldn't be referencing you shouldn't be referencing she shouldn't be referencing we shouldn't be referencing you shouldn't be referencing they shouldn't be referencing
Perfect	V-ing perfect
I shouldn't have referenced you shouldn't have referenced she shouldn't have referenced we shouldn't have referenced you shouldn't have referenced they shouldn't have referenced	I shouldn't have been referencing you shouldn't have been referencing she shouldn't have been referencing we shouldn't have been referencing you shouldn't have been referencing they shouldn't have been referencing

Interrogative form

Simple form	V-ing form
should I reference? should you reference? should she reference? should we reference? should you reference? should they reference?	should I be referencing? should you be referencing? should she be referencing? should we be referencing? should you be referencing? should they be referencing?
Perfect	V-ing perfect
should I have referenced? should you have referenced? should she have referenced? should we have referenced? should you have referenced? should they have referenced?	should I have been referencing? should you have been referencing? should she have been referencing? should we have been referencing? should you have been referencing? should they have been referencing?

Interro-negative form

Simple form	V-ing form
shouldn't I reference? shouldn't you reference? shouldn't she reference? shouldn't we reference? shouldn't you reference? shouldn't they reference?	shouldn't I be referencing? shouldn't you be referencing? shouldn't she be referencing? shouldn't we be referencing? shouldn't you be referencing? shouldn't they be referencing?
Perfect	V-ing perfect
shouldn't I have referenced? shouldn't you have referenced? shouldn't she have referenced? shouldn't we have referenced? shouldn't you have referenced? shouldn't they have referenced?	shouldn't I have been referencing? shouldn't you have been referencing? shouldn't she have been referencing? shouldn't we have been referencing? shouldn't you have been referencing? shouldn't they have been referencing?