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

Affirmation 	
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I should undergo
you should undergo
she should undergo
we should undergo
you should undergo
they should undergo 	I should be undergoing
you should be undergoing
she should be undergoing
we should be undergoing
you should be undergoing
they should be undergoing	I should have undergone
you should have undergone
she should have undergone
we should have undergone
you should have undergone
they should have undergone	I should have been undergoing
you should have been undergoing
she should have been undergoing
we should have been undergoing
you should have been undergoing
they should have been undergoing	

Négation 	
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I should not undergo
you should not undergo
she should not undergo
we should not undergo
you should not undergo
they should not undergo 	I should not be undergoing
you should not be undergoing
she should not be undergoing
we should not be undergoing
you should not be undergoing
they should not be undergoing	I should not have undergone
you should not have undergone
she should not have undergone
we should not have undergone
you should not have undergone
they should not have undergone	I should not have been undergoing
you should not have been undergoing
she should not have been undergoing
we should not have been undergoing
you should not have been undergoing
they should not have been undergoing	

Forme interrogative 	
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should I undergo?
should you undergo?
should she undergo?
should we undergo?
should you undergo?
should they undergo? 	should I be undergoing?
should you be undergoing?
should she be undergoing?
should we be undergoing?
should you be undergoing?
should they be undergoing? 	should I have undergone?
should you have undergone?
should she have undergone?
should we have undergone?
should you have undergone?
should they have undergone? 	should I have been undergoing?
should you have been undergoing?
should she have been undergoing?
should we have been undergoing?
should you have been undergoing?
should they have been undergoing? 	

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