may attend
Verbo regular: attend - attended- attended

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may attend
you may attend
she may attend
we may attend
you may attend
they may attend 	I may be attending
you may be attending
she may be attending
we may be attending
you may be attending
they may be attending	I may have attended
you may have attended
she 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
she may have been attending
we may have been attending
you may have been attending
they may have been attending	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not attend
you may not attend
she 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
she 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
she 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
she 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 com V-ing 	Perfeito 	Perfeito com V-ing 	
may I attend?
may you attend?
may she attend?
may we attend?
may you attend?
may they attend? 	may I be attending?
may you be attending?
may she be attending?
may we be attending?
may you be attending?
may they be attending? 	may I have attended?
may you have attended?
may she 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 she have been attending?
may we have been attending?
may you have been attending?
may they have been attending? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not attend?
may you not attend?
may she 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 she 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 she 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 she not have been attending?
may we not have been attending?
may you not have been attending?
may they not have been attending?