may return
Verbo regular: return - returned- returned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may return
you may return
she may return
we may return
you may return
they may return 	I may be returning
you may be returning
she may be returning
we may be returning
you may be returning
they may be returning	I may have returned
you may have returned
she may have returned
we may have returned
you may have returned
they may have returned	I may have been returning
you may have been returning
she may have been returning
we may have been returning
you may have been returning
they may have been returning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't return
you mayn't return
she mayn't return
we mayn't return
you mayn't return
they mayn't return 	I mayn't be returning
you mayn't be returning
she mayn't be returning
we mayn't be returning
you mayn't be returning
they mayn't be returning	I mayn't have returned
you mayn't have returned
she mayn't have returned
we mayn't have returned
you mayn't have returned
they mayn't have returned	I mayn't have been returning
you mayn't have been returning
she mayn't have been returning
we mayn't have been returning
you mayn't have been returning
they mayn't have been returning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I return?
may you return?
may she return?
may we return?
may you return?
may they return? 	may I be returning?
may you be returning?
may she be returning?
may we be returning?
may you be returning?
may they be returning? 	may I have returned?
may you have returned?
may she have returned?
may we have returned?
may you have returned?
may they have returned? 	may I have been returning?
may you have been returning?
may she have been returning?
may we have been returning?
may you have been returning?
may they have been returning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I return?
mayn't you return?
mayn't she return?
mayn't we return?
mayn't you return?
mayn't they return? 	mayn't I be returning?
mayn't you be returning?
mayn't she be returning?
mayn't we be returning?
mayn't you be returning?
mayn't they be returning? 	mayn't I have returned?
mayn't you have returned?
mayn't she have returned?
mayn't we have returned?
mayn't you have returned?
mayn't they have returned? 	mayn't I have been returning?
mayn't you have been returning?
mayn't she have been returning?
mayn't we have been returning?
mayn't you have been returning?
mayn't they have been returning?