may stiff
Verbo regolare: stiff - stiffed- stiffed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may stiff
you may stiff
he may stiff
we may stiff
you may stiff
they may stiff 	I may be stiffing
you may be stiffing
he may be stiffing
we may be stiffing
you may be stiffing
they may be stiffing	I may have stiffed
you may have stiffed
he may have stiffed
we may have stiffed
you may have stiffed
they may have stiffed	I may have been stiffing
you may have been stiffing
he may have been stiffing
we may have been stiffing
you may have been stiffing
they may have been stiffing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may not stiff
you may not stiff
he may not stiff
we may not stiff
you may not stiff
they may not stiff 	I may not be stiffing
you may not be stiffing
he may not be stiffing
we may not be stiffing
you may not be stiffing
they may not be stiffing	I may not have stiffed
you may not have stiffed
he may not have stiffed
we may not have stiffed
you may not have stiffed
they may not have stiffed	I may not have been stiffing
you may not have been stiffing
he may not have been stiffing
we may not have been stiffing
you may not have been stiffing
they may not have been stiffing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I stiff?
may you stiff?
may he stiff?
may we stiff?
may you stiff?
may they stiff? 	may I be stiffing?
may you be stiffing?
may he be stiffing?
may we be stiffing?
may you be stiffing?
may they be stiffing? 	may I have stiffed?
may you have stiffed?
may he have stiffed?
may we have stiffed?
may you have stiffed?
may they have stiffed? 	may I have been stiffing?
may you have been stiffing?
may he have been stiffing?
may we have been stiffing?
may you have been stiffing?
may they have been stiffing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I not stiff?
may you not stiff?
may he not stiff?
may we not stiff?
may you not stiff?
may they not stiff? 	may I not be stiffing?
may you not be stiffing?
may he not be stiffing?
may we not be stiffing?
may you not be stiffing?
may they not be stiffing? 	may I not have stiffed?
may you not have stiffed?
may he not have stiffed?
may we not have stiffed?
may you not have stiffed?
may they not have stiffed? 	may I not have been stiffing?
may you not have been stiffing?
may he not have been stiffing?
may we not have been stiffing?
may you not have been stiffing?
may they not have been stiffing?