may undo
Verbe irrégulier : undo - undid- undone
Traduction française : défaire - annuler 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may undo
you may undo
he may undo
we may undo
you may undo
they may undo 	I may be undoing
you may be undoing
he may be undoing
we may be undoing
you may be undoing
they may be undoing	I may have undone
you may have undone
he may have undone
we may have undone
you may have undone
they may have undone	I may have been undoing
you may have been undoing
he may have been undoing
we may have been undoing
you may have been undoing
they may have been undoing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may not undo
you may not undo
he may not undo
we may not undo
you may not undo
they may not undo 	I may not be undoing
you may not be undoing
he may not be undoing
we may not be undoing
you may not be undoing
they may not be undoing	I may not have undone
you may not have undone
he may not have undone
we may not have undone
you may not have undone
they may not have undone	I may not have been undoing
you may not have been undoing
he may not have been undoing
we may not have been undoing
you may not have been undoing
they may not have been undoing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I undo?
may you undo?
may he undo?
may we undo?
may you undo?
may they undo? 	may I be undoing?
may you be undoing?
may he be undoing?
may we be undoing?
may you be undoing?
may they be undoing? 	may I have undone?
may you have undone?
may he have undone?
may we have undone?
may you have undone?
may they have undone? 	may I have been undoing?
may you have been undoing?
may he have been undoing?
may we have been undoing?
may you have been undoing?
may they have been undoing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I not undo?
may you not undo?
may he not undo?
may we not undo?
may you not undo?
may they not undo? 	may I not be undoing?
may you not be undoing?
may he not be undoing?
may we not be undoing?
may you not be undoing?
may they not be undoing? 	may I not have undone?
may you not have undone?
may he not have undone?
may we not have undone?
may you not have undone?
may they not have undone? 	may I not have been undoing?
may you not have been undoing?
may he not have been undoing?
may we not have been undoing?
may you not have been undoing?
may they not have been undoing?