English verb conjugation
SHOULD PERFORM

Regular verb: perform - performed - performed

Affirmation

Simple form	V-ing form
I'd perform you'd perform she'd perform we'd perform you'd perform they'd perform	I'd be performing you'd be performing she'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 she 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 she 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 she 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 she 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 she 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 she 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 she perform? should we perform? should you perform? should they perform?	should I be performing? should you be performing? should she 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 she 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 she 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 she 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 she 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 she 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 she have been performing? shouldn't we have been performing? shouldn't you have been performing? shouldn't they have been performing?