may refer
Verbe régulier : refer - referred- referred
Traduction française : soumettre - refuser 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may refer
you may refer
she may refer
we may refer
you may refer
they may refer 	I may be referring
you may be referring
she may be referring
we may be referring
you may be referring
they may be referring	I may have referred
you may have referred
she may have referred
we may have referred
you may have referred
they may have referred	I may have been referring
you may have been referring
she may have been referring
we may have been referring
you may have been referring
they may have been referring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mayn't refer
you mayn't refer
she mayn't refer
we mayn't refer
you mayn't refer
they mayn't refer 	I mayn't be referring
you mayn't be referring
she mayn't be referring
we mayn't be referring
you mayn't be referring
they mayn't be referring	I mayn't have referred
you mayn't have referred
she mayn't have referred
we mayn't have referred
you mayn't have referred
they mayn't have referred	I mayn't have been referring
you mayn't have been referring
she mayn't have been referring
we mayn't have been referring
you mayn't have been referring
they mayn't have been referring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I refer?
may you refer?
may she refer?
may we refer?
may you refer?
may they refer? 	may I be referring?
may you be referring?
may she be referring?
may we be referring?
may you be referring?
may they be referring? 	may I have referred?
may you have referred?
may she have referred?
may we have referred?
may you have referred?
may they have referred? 	may I have been referring?
may you have been referring?
may she have been referring?
may we have been referring?
may you have been referring?
may they have been referring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mayn't I refer?
mayn't you refer?
mayn't she refer?
mayn't we refer?
mayn't you refer?
mayn't they refer? 	mayn't I be referring?
mayn't you be referring?
mayn't she be referring?
mayn't we be referring?
mayn't you be referring?
mayn't they be referring? 	mayn't I have referred?
mayn't you have referred?
mayn't she have referred?
mayn't we have referred?
mayn't you have referred?
mayn't they have referred? 	mayn't I have been referring?
mayn't you have been referring?
mayn't she have been referring?
mayn't we have been referring?
mayn't you have been referring?
mayn't they have been referring?