may roister
Verbe régulier : roister - roistered- roistered

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may roister
you may roister
he may roister
we may roister
you may roister
they may roister 	I may be roistering
you may be roistering
he may be roistering
we may be roistering
you may be roistering
they may be roistering	I may have roistered
you may have roistered
he may have roistered
we may have roistered
you may have roistered
they may have roistered	I may have been roistering
you may have been roistering
he may have been roistering
we may have been roistering
you may have been roistering
they may have been roistering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may not roister
you may not roister
he may not roister
we may not roister
you may not roister
they may not roister 	I may not be roistering
you may not be roistering
he may not be roistering
we may not be roistering
you may not be roistering
they may not be roistering	I may not have roistered
you may not have roistered
he may not have roistered
we may not have roistered
you may not have roistered
they may not have roistered	I may not have been roistering
you may not have been roistering
he may not have been roistering
we may not have been roistering
you may not have been roistering
they may not have been roistering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I roister?
may you roister?
may he roister?
may we roister?
may you roister?
may they roister? 	may I be roistering?
may you be roistering?
may he be roistering?
may we be roistering?
may you be roistering?
may they be roistering? 	may I have roistered?
may you have roistered?
may he have roistered?
may we have roistered?
may you have roistered?
may they have roistered? 	may I have been roistering?
may you have been roistering?
may he have been roistering?
may we have been roistering?
may you have been roistering?
may they have been roistering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I not roister?
may you not roister?
may he not roister?
may we not roister?
may you not roister?
may they not roister? 	may I not be roistering?
may you not be roistering?
may he not be roistering?
may we not be roistering?
may you not be roistering?
may they not be roistering? 	may I not have roistered?
may you not have roistered?
may he not have roistered?
may we not have roistered?
may you not have roistered?
may they not have roistered? 	may I not have been roistering?
may you not have been roistering?
may he not have been roistering?
may we not have been roistering?
may you not have been roistering?
may they not have been roistering?