may perform
Regular verb: perform - performed- performed

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