English verb conjugation
SHOULD PERFORM

Regular verb: perform - performed - performed

Affirmation

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

Negation

Simple form	V-ing form
I should not perform you should not perform he should not perform we should not perform you should not perform they should not perform	I should not be performing you should not be performing he should not be performing we should not be performing you should not be performing they should not be performing
Perfect	V-ing perfect
I should not have performed you should not have performed he should not have performed we should not have performed you should not have performed they should not have performed	I should not have been performing you should not have been performing he should not have been performing we should not have been performing you should not have been performing they should not 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
should I not perform? should you not perform? should he not perform? should we not perform? should you not perform? should they not perform?	should I not be performing? should you not be performing? should he not be performing? should we not be performing? should you not be performing? should they not be performing?
Perfect	V-ing perfect
should I not have performed? should you not have performed? should he not have performed? should we not have performed? should you not have performed? should they not have performed?	should I not have been performing? should you not have been performing? should he not have been performing? should we not have been performing? should you not have been performing? should they not have been performing?