may undergo
Verbe irrégulier : undergo - underwent- undergone
Traduction française : subir - éprouver 

Affirmation 	
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I may undergo
you may undergo
he may undergo
we may undergo
you may undergo
they may undergo 	I may be undergoing
you may be undergoing
he may be undergoing
we may be undergoing
you may be undergoing
they may be undergoing	I may have undergone
you may have undergone
he may have undergone
we may have undergone
you may have undergone
they may have undergone	I may have been undergoing
you may have been undergoing
he may have been undergoing
we may have been undergoing
you may have been undergoing
they may have been undergoing	

Négation 	
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I may not undergo
you may not undergo
he may not undergo
we may not undergo
you may not undergo
they may not undergo 	I may not be undergoing
you may not be undergoing
he may not be undergoing
we may not be undergoing
you may not be undergoing
they may not be undergoing	I may not have undergone
you may not have undergone
he may not have undergone
we may not have undergone
you may not have undergone
they may not have undergone	I may not have been undergoing
you may not have been undergoing
he may not have been undergoing
we may not have been undergoing
you may not have been undergoing
they may not have been undergoing	

Forme interrogative 	
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may I undergo?
may you undergo?
may he undergo?
may we undergo?
may you undergo?
may they undergo? 	may I be undergoing?
may you be undergoing?
may he be undergoing?
may we be undergoing?
may you be undergoing?
may they be undergoing? 	may I have undergone?
may you have undergone?
may he have undergone?
may we have undergone?
may you have undergone?
may they have undergone? 	may I have been undergoing?
may you have been undergoing?
may he have been undergoing?
may we have been undergoing?
may you have been undergoing?
may they have been undergoing? 	

Forme interro-négative 	
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may I not undergo?
may you not undergo?
may he not undergo?
may we not undergo?
may you not undergo?
may they not undergo? 	may I not be undergoing?
may you not be undergoing?
may he not be undergoing?
may we not be undergoing?
may you not be undergoing?
may they not be undergoing? 	may I not have undergone?
may you not have undergone?
may he not have undergone?
may we not have undergone?
may you not have undergone?
may they not have undergone? 	may I not have been undergoing?
may you not have been undergoing?
may he not have been undergoing?
may we not have been undergoing?
may you not have been undergoing?
may they not have been undergoing?