may fail
Verbe régulier : fail - failed- failed
Traduction française : échouer - échouer à 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may fail
you may fail
he may fail
we may fail
you may fail
they may fail 	I may be failing
you may be failing
he may be failing
we may be failing
you may be failing
they may be failing	I may have failed
you may have failed
he may have failed
we may have failed
you may have failed
they may have failed	I may have been failing
you may have been failing
he may have been failing
we may have been failing
you may have been failing
they may have been failing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may not fail
you may not fail
he may not fail
we may not fail
you may not fail
they may not fail 	I may not be failing
you may not be failing
he may not be failing
we may not be failing
you may not be failing
they may not be failing	I may not have failed
you may not have failed
he may not have failed
we may not have failed
you may not have failed
they may not have failed	I may not have been failing
you may not have been failing
he may not have been failing
we may not have been failing
you may not have been failing
they may not have been failing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I fail?
may you fail?
may he fail?
may we fail?
may you fail?
may they fail? 	may I be failing?
may you be failing?
may he be failing?
may we be failing?
may you be failing?
may they be failing? 	may I have failed?
may you have failed?
may he have failed?
may we have failed?
may you have failed?
may they have failed? 	may I have been failing?
may you have been failing?
may he have been failing?
may we have been failing?
may you have been failing?
may they have been failing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I not fail?
may you not fail?
may he not fail?
may we not fail?
may you not fail?
may they not fail? 	may I not be failing?
may you not be failing?
may he not be failing?
may we not be failing?
may you not be failing?
may they not be failing? 	may I not have failed?
may you not have failed?
may he not have failed?
may we not have failed?
may you not have failed?
may they not have failed? 	may I not have been failing?
may you not have been failing?
may he not have been failing?
may we not have been failing?
may you not have been failing?
may they not have been failing?