could undergo
Unregelmä&szlig;iges Verb: undergo - underwent- undergone

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could undergo
you could undergo
she could undergo
we could undergo
you could undergo
they could undergo 	I could be undergoing
you could be undergoing
she could be undergoing
we could be undergoing
you could be undergoing
they could be undergoing	I could have undergone
you could have undergone
she could have undergone
we could have undergone
you could have undergone
they could have undergone	I could have been undergoing
you could have been undergoing
she could have been undergoing
we could have been undergoing
you could have been undergoing
they could have been undergoing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't undergo
you couldn't undergo
she couldn't undergo
we couldn't undergo
you couldn't undergo
they couldn't undergo 	I couldn't be undergoing
you couldn't be undergoing
she couldn't be undergoing
we couldn't be undergoing
you couldn't be undergoing
they couldn't be undergoing	I couldn't have undergone
you couldn't have undergone
she couldn't have undergone
we couldn't have undergone
you couldn't have undergone
they couldn't have undergone	I couldn't have been undergoing
you couldn't have been undergoing
she couldn't have been undergoing
we couldn't have been undergoing
you couldn't have been undergoing
they couldn't have been undergoing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I undergo?
could you undergo?
could she undergo?
could we undergo?
could you undergo?
could they undergo? 	could I be undergoing?
could you be undergoing?
could she be undergoing?
could we be undergoing?
could you be undergoing?
could they be undergoing? 	could I have undergone?
could you have undergone?
could she have undergone?
could we have undergone?
could you have undergone?
could they have undergone? 	could I have been undergoing?
could you have been undergoing?
could she have been undergoing?
could we have been undergoing?
could you have been undergoing?
could they have been undergoing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I undergo?
couldn't you undergo?
couldn't she undergo?
couldn't we undergo?
couldn't you undergo?
couldn't they undergo? 	couldn't I be undergoing?
couldn't you be undergoing?
couldn't she be undergoing?
couldn't we be undergoing?
couldn't you be undergoing?
couldn't they be undergoing? 	couldn't I have undergone?
couldn't you have undergone?
couldn't she have undergone?
couldn't we have undergone?
couldn't you have undergone?
couldn't they have undergone? 	couldn't I have been undergoing?
couldn't you have been undergoing?
couldn't she have been undergoing?
couldn't we have been undergoing?
couldn't you have been undergoing?
couldn't they have been undergoing?