English verb conjugation
SHOULD XEROX

Regular verb: xerox - xeroxed - xeroxed

Affirmation

Simple form	V-ing form
I'd xerox you'd xerox he'd xerox we'd xerox you'd xerox they'd xerox	I'd be xeroxing you'd be xeroxing he'd be xeroxing we'd be xeroxing you'd be xeroxing they'd be xeroxing
Perfect	V-ing perfect
I should've xeroxed you should've xeroxed he should've xeroxed we should've xeroxed you should've xeroxed they should've xeroxed	I should've been xeroxing you should've been xeroxing he should've been xeroxing we should've been xeroxing you should've been xeroxing they should've been xeroxing

Negation

Simple form	V-ing form
I shouldn't xerox you shouldn't xerox he shouldn't xerox we shouldn't xerox you shouldn't xerox they shouldn't xerox	I shouldn't be xeroxing you shouldn't be xeroxing he shouldn't be xeroxing we shouldn't be xeroxing you shouldn't be xeroxing they shouldn't be xeroxing
Perfect	V-ing perfect
I shouldn't have xeroxed you shouldn't have xeroxed he shouldn't have xeroxed we shouldn't have xeroxed you shouldn't have xeroxed they shouldn't have xeroxed	I shouldn't have been xeroxing you shouldn't have been xeroxing he shouldn't have been xeroxing we shouldn't have been xeroxing you shouldn't have been xeroxing they shouldn't have been xeroxing

Interrogative form

Simple form	V-ing form
should I xerox? should you xerox? should he xerox? should we xerox? should you xerox? should they xerox?	should I be xeroxing? should you be xeroxing? should he be xeroxing? should we be xeroxing? should you be xeroxing? should they be xeroxing?
Perfect	V-ing perfect
should I have xeroxed? should you have xeroxed? should he have xeroxed? should we have xeroxed? should you have xeroxed? should they have xeroxed?	should I have been xeroxing? should you have been xeroxing? should he have been xeroxing? should we have been xeroxing? should you have been xeroxing? should they have been xeroxing?

Interro-negative form

Simple form	V-ing form
shouldn't I xerox? shouldn't you xerox? shouldn't he xerox? shouldn't we xerox? shouldn't you xerox? shouldn't they xerox?	shouldn't I be xeroxing? shouldn't you be xeroxing? shouldn't he be xeroxing? shouldn't we be xeroxing? shouldn't you be xeroxing? shouldn't they be xeroxing?
Perfect	V-ing perfect
shouldn't I have xeroxed? shouldn't you have xeroxed? shouldn't he have xeroxed? shouldn't we have xeroxed? shouldn't you have xeroxed? shouldn't they have xeroxed?	shouldn't I have been xeroxing? shouldn't you have been xeroxing? shouldn't he have been xeroxing? shouldn't we have been xeroxing? shouldn't you have been xeroxing? shouldn't they have been xeroxing?