may back
Verbo regolare: back - backed- backed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may back
you may back
he may back
we may back
you may back
they may back 	I may be backing
you may be backing
he may be backing
we may be backing
you may be backing
they may be backing	I may have backed
you may have backed
he may have backed
we may have backed
you may have backed
they may have backed	I may have been backing
you may have been backing
he may have been backing
we may have been backing
you may have been backing
they may have been backing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may not back
you may not back
he may not back
we may not back
you may not back
they may not back 	I may not be backing
you may not be backing
he may not be backing
we may not be backing
you may not be backing
they may not be backing	I may not have backed
you may not have backed
he may not have backed
we may not have backed
you may not have backed
they may not have backed	I may not have been backing
you may not have been backing
he may not have been backing
we may not have been backing
you may not have been backing
they may not have been backing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I back?
may you back?
may he back?
may we back?
may you back?
may they back? 	may I be backing?
may you be backing?
may he be backing?
may we be backing?
may you be backing?
may they be backing? 	may I have backed?
may you have backed?
may he have backed?
may we have backed?
may you have backed?
may they have backed? 	may I have been backing?
may you have been backing?
may he have been backing?
may we have been backing?
may you have been backing?
may they have been backing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I not back?
may you not back?
may he not back?
may we not back?
may you not back?
may they not back? 	may I not be backing?
may you not be backing?
may he not be backing?
may we not be backing?
may you not be backing?
may they not be backing? 	may I not have backed?
may you not have backed?
may he not have backed?
may we not have backed?
may you not have backed?
may they not have backed? 	may I not have been backing?
may you not have been backing?
may he not have been backing?
may we not have been backing?
may you not have been backing?
may they not have been backing?