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 may not refer
you may not refer
she may not refer
we may not refer
you may not refer
they may not refer 	I may not be referring
you may not be referring
she may not be referring
we may not be referring
you may not be referring
they may not be referring	I may not have referred
you may not have referred
she may not have referred
we may not have referred
you may not have referred
they may not have referred	I may not have been referring
you may not have been referring
she may not have been referring
we may not have been referring
you may not have been referring
they may not 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 	
may I not refer?
may you not refer?
may she not refer?
may we not refer?
may you not refer?
may they not refer? 	may I not be referring?
may you not be referring?
may she not be referring?
may we not be referring?
may you not be referring?
may they not be referring? 	may I not have referred?
may you not have referred?
may she not have referred?
may we not have referred?
may you not have referred?
may they not have referred? 	may I not have been referring?
may you not have been referring?
may she not have been referring?
may we not have been referring?
may you not have been referring?
may they not have been referring?