English verb conjugation
SHOULD PERFORM

Regular verb: perform - performed - performed

Affirmation

Simple form	V-ing form
I'd perform you'd perform he'd perform we'd perform you'd perform they'd perform	I'd be performing you'd be performing he'd be performing we'd be performing you'd be performing they'd be performing
Perfect	V-ing perfect
I should've performed you should've performed he should've performed we should've performed you should've performed they should've performed	I should've been performing you should've been performing he should've been performing we should've been performing you should've been performing they should've been performing

Negation

Simple form	V-ing form
I shouldn't perform you shouldn't perform he shouldn't perform we shouldn't perform you shouldn't perform they shouldn't perform	I shouldn't be performing you shouldn't be performing he shouldn't be performing we shouldn't be performing you shouldn't be performing they shouldn't be performing
Perfect	V-ing perfect
I shouldn't have performed you shouldn't have performed he shouldn't have performed we shouldn't have performed you shouldn't have performed they shouldn't have performed	I shouldn't have been performing you shouldn't have been performing he shouldn't have been performing we shouldn't have been performing you shouldn't have been performing they shouldn't have been performing

Interrogative form

Simple form	V-ing form
should I perform? should you perform? should he perform? should we perform? should you perform? should they perform?	should I be performing? should you be performing? should he be performing? should we be performing? should you be performing? should they be performing?
Perfect	V-ing perfect
should I have performed? should you have performed? should he have performed? should we have performed? should you have performed? should they have performed?	should I have been performing? should you have been performing? should he have been performing? should we have been performing? should you have been performing? should they have been performing?

Interro-negative form

Simple form	V-ing form
shouldn't I perform? shouldn't you perform? shouldn't he perform? shouldn't we perform? shouldn't you perform? shouldn't they perform?	shouldn't I be performing? shouldn't you be performing? shouldn't he be performing? shouldn't we be performing? shouldn't you be performing? shouldn't they be performing?
Perfect	V-ing perfect
shouldn't I have performed? shouldn't you have performed? shouldn't he have performed? shouldn't we have performed? shouldn't you have performed? shouldn't they have performed?	shouldn't I have been performing? shouldn't you have been performing? shouldn't he have been performing? shouldn't we have been performing? shouldn't you have been performing? shouldn't they have been performing?