may attend
Verbo regular: attend - attended- attended

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may attend
you may attend
he may attend
we may attend
you may attend
they may attend 	I may be attending
you may be attending
he may be attending
we may be attending
you may be attending
they may be attending	I may have attended
you may have attended
he may have attended
we may have attended
you may have attended
they may have attended	I may have been attending
you may have been attending
he may have been attending
we may have been attending
you may have been attending
they may have been attending	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not attend
you may not attend
he may not attend
we may not attend
you may not attend
they may not attend 	I may not be attending
you may not be attending
he may not be attending
we may not be attending
you may not be attending
they may not be attending	I may not have attended
you may not have attended
he may not have attended
we may not have attended
you may not have attended
they may not have attended	I may not have been attending
you may not have been attending
he may not have been attending
we may not have been attending
you may not have been attending
they may not have been attending	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I attend?
may you attend?
may he attend?
may we attend?
may you attend?
may they attend? 	may I be attending?
may you be attending?
may he be attending?
may we be attending?
may you be attending?
may they be attending? 	may I have attended?
may you have attended?
may he have attended?
may we have attended?
may you have attended?
may they have attended? 	may I have been attending?
may you have been attending?
may he have been attending?
may we have been attending?
may you have been attending?
may they have been attending? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not attend?
may you not attend?
may he not attend?
may we not attend?
may you not attend?
may they not attend? 	may I not be attending?
may you not be attending?
may he not be attending?
may we not be attending?
may you not be attending?
may they not be attending? 	may I not have attended?
may you not have attended?
may he not have attended?
may we not have attended?
may you not have attended?
may they not have attended? 	may I not have been attending?
may you not have been attending?
may he not have been attending?
may we not have been attending?
may you not have been attending?
may they not have been attending?