English verb conjugation
MAY PERFORM

Regular verb: perform - performed - performed

Affirmation

Simple form	V-ing form
I may perform you may perform she may perform we may perform you may perform they may perform	I may be performing you may be performing she 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 she 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 she 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 mayn't perform you mayn't perform she mayn't perform we mayn't perform you mayn't perform they mayn't perform	I mayn't be performing you mayn't be performing she mayn't be performing we mayn't be performing you mayn't be performing they mayn't be performing
Perfect	V-ing perfect
I mayn't have performed you mayn't have performed she mayn't have performed we mayn't have performed you mayn't have performed they mayn't have performed	I mayn't have been performing you mayn't have been performing she mayn't have been performing we mayn't have been performing you mayn't have been performing they mayn't have been performing

Interrogative form

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