English verb conjugation
MAY PERFORM

Regular verb: perform - performed - performed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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