may echo
Verbo regular: echo - echoed- echoed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may echo
you may echo
he may echo
we may echo
you may echo
they may echo 	I may be echoing
you may be echoing
he may be echoing
we may be echoing
you may be echoing
they may be echoing	I may have echoed
you may have echoed
he may have echoed
we may have echoed
you may have echoed
they may have echoed	I may have been echoing
you may have been echoing
he may have been echoing
we may have been echoing
you may have been echoing
they may have been echoing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not echo
you may not echo
he may not echo
we may not echo
you may not echo
they may not echo 	I may not be echoing
you may not be echoing
he may not be echoing
we may not be echoing
you may not be echoing
they may not be echoing	I may not have echoed
you may not have echoed
he may not have echoed
we may not have echoed
you may not have echoed
they may not have echoed	I may not have been echoing
you may not have been echoing
he may not have been echoing
we may not have been echoing
you may not have been echoing
they may not have been echoing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I echo?
may you echo?
may he echo?
may we echo?
may you echo?
may they echo? 	may I be echoing?
may you be echoing?
may he be echoing?
may we be echoing?
may you be echoing?
may they be echoing? 	may I have echoed?
may you have echoed?
may he have echoed?
may we have echoed?
may you have echoed?
may they have echoed? 	may I have been echoing?
may you have been echoing?
may he have been echoing?
may we have been echoing?
may you have been echoing?
may they have been echoing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not echo?
may you not echo?
may he not echo?
may we not echo?
may you not echo?
may they not echo? 	may I not be echoing?
may you not be echoing?
may he not be echoing?
may we not be echoing?
may you not be echoing?
may they not be echoing? 	may I not have echoed?
may you not have echoed?
may he not have echoed?
may we not have echoed?
may you not have echoed?
may they not have echoed? 	may I not have been echoing?
may you not have been echoing?
may he not have been echoing?
may we not have been echoing?
may you not have been echoing?
may they not have been echoing?