may stiff
Verbe régulier : stiff - stiffed- stiffed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mayn't stiff
you mayn't stiff
he mayn't stiff
we mayn't stiff
you mayn't stiff
they mayn't stiff 	I mayn't be stiffing
you mayn't be stiffing
he mayn't be stiffing
we mayn't be stiffing
you mayn't be stiffing
they mayn't be stiffing	I mayn't have stiffed
you mayn't have stiffed
he mayn't have stiffed
we mayn't have stiffed
you mayn't have stiffed
they mayn't have stiffed	I mayn't have been stiffing
you mayn't have been stiffing
he mayn't have been stiffing
we mayn't have been stiffing
you mayn't have been stiffing
they mayn't have been stiffing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mayn't I stiff?
mayn't you stiff?
mayn't he stiff?
mayn't we stiff?
mayn't you stiff?
mayn't they stiff? 	mayn't I be stiffing?
mayn't you be stiffing?
mayn't he be stiffing?
mayn't we be stiffing?
mayn't you be stiffing?
mayn't they be stiffing? 	mayn't I have stiffed?
mayn't you have stiffed?
mayn't he have stiffed?
mayn't we have stiffed?
mayn't you have stiffed?
mayn't they have stiffed? 	mayn't I have been stiffing?
mayn't you have been stiffing?
mayn't he have been stiffing?
mayn't we have been stiffing?
mayn't you have been stiffing?
mayn't they have been stiffing?