may snowball
Verbo regular: snowball - snowballed- snowballed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may snowball
you may snowball
he may snowball
we may snowball
you may snowball
they may snowball 	I may be snowballing
you may be snowballing
he may be snowballing
we may be snowballing
you may be snowballing
they may be snowballing	I may have snowballed
you may have snowballed
he may have snowballed
we may have snowballed
you may have snowballed
they may have snowballed	I may have been snowballing
you may have been snowballing
he may have been snowballing
we may have been snowballing
you may have been snowballing
they may have been snowballing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not snowball
you may not snowball
he may not snowball
we may not snowball
you may not snowball
they may not snowball 	I may not be snowballing
you may not be snowballing
he may not be snowballing
we may not be snowballing
you may not be snowballing
they may not be snowballing	I may not have snowballed
you may not have snowballed
he may not have snowballed
we may not have snowballed
you may not have snowballed
they may not have snowballed	I may not have been snowballing
you may not have been snowballing
he may not have been snowballing
we may not have been snowballing
you may not have been snowballing
they may not have been snowballing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I snowball?
may you snowball?
may he snowball?
may we snowball?
may you snowball?
may they snowball? 	may I be snowballing?
may you be snowballing?
may he be snowballing?
may we be snowballing?
may you be snowballing?
may they be snowballing? 	may I have snowballed?
may you have snowballed?
may he have snowballed?
may we have snowballed?
may you have snowballed?
may they have snowballed? 	may I have been snowballing?
may you have been snowballing?
may he have been snowballing?
may we have been snowballing?
may you have been snowballing?
may they have been snowballing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not snowball?
may you not snowball?
may he not snowball?
may we not snowball?
may you not snowball?
may they not snowball? 	may I not be snowballing?
may you not be snowballing?
may he not be snowballing?
may we not be snowballing?
may you not be snowballing?
may they not be snowballing? 	may I not have snowballed?
may you not have snowballed?
may he not have snowballed?
may we not have snowballed?
may you not have snowballed?
may they not have snowballed? 	may I not have been snowballing?
may you not have been snowballing?
may he not have been snowballing?
may we not have been snowballing?
may you not have been snowballing?
may they not have been snowballing?