English verb conjugation
MAY ECHO

Regular verb: echo - echoed - echoed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?