could undertain
Regelmä&szlig;iges Verb: undertain - undertained- undertained

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could undertain
you could undertain
she could undertain
we could undertain
you could undertain
they could undertain 	I could be undertaining
you could be undertaining
she could be undertaining
we could be undertaining
you could be undertaining
they could be undertaining	I could have undertained
you could have undertained
she could have undertained
we could have undertained
you could have undertained
they could have undertained	I could have been undertaining
you could have been undertaining
she could have been undertaining
we could have been undertaining
you could have been undertaining
they could have been undertaining	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not undertain
you could not undertain
she could not undertain
we could not undertain
you could not undertain
they could not undertain 	I could not be undertaining
you could not be undertaining
she could not be undertaining
we could not be undertaining
you could not be undertaining
they could not be undertaining	I could not have undertained
you could not have undertained
she could not have undertained
we could not have undertained
you could not have undertained
they could not have undertained	I could not have been undertaining
you could not have been undertaining
she could not have been undertaining
we could not have been undertaining
you could not have been undertaining
they could not have been undertaining	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I undertain?
could you undertain?
could she undertain?
could we undertain?
could you undertain?
could they undertain? 	could I be undertaining?
could you be undertaining?
could she be undertaining?
could we be undertaining?
could you be undertaining?
could they be undertaining? 	could I have undertained?
could you have undertained?
could she have undertained?
could we have undertained?
could you have undertained?
could they have undertained? 	could I have been undertaining?
could you have been undertaining?
could she have been undertaining?
could we have been undertaining?
could you have been undertaining?
could they have been undertaining? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not undertain?
could you not undertain?
could she not undertain?
could we not undertain?
could you not undertain?
could they not undertain? 	could I not be undertaining?
could you not be undertaining?
could she not be undertaining?
could we not be undertaining?
could you not be undertaining?
could they not be undertaining? 	could I not have undertained?
could you not have undertained?
could she not have undertained?
could we not have undertained?
could you not have undertained?
could they not have undertained? 	could I not have been undertaining?
could you not have been undertaining?
could she not have been undertaining?
could we not have been undertaining?
could you not have been undertaining?
could they not have been undertaining?