could exchange
Regelmä&szlig;iges Verb: exchange - exchanged- exchanged

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could exchange
you could exchange
he could exchange
we could exchange
you could exchange
they could exchange 	I could be exchanging
you could be exchanging
he could be exchanging
we could be exchanging
you could be exchanging
they could be exchanging	I could have exchanged
you could have exchanged
he could have exchanged
we could have exchanged
you could have exchanged
they could have exchanged	I could have been exchanging
you could have been exchanging
he could have been exchanging
we could have been exchanging
you could have been exchanging
they could have been exchanging	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not exchange
you could not exchange
he could not exchange
we could not exchange
you could not exchange
they could not exchange 	I could not be exchanging
you could not be exchanging
he could not be exchanging
we could not be exchanging
you could not be exchanging
they could not be exchanging	I could not have exchanged
you could not have exchanged
he could not have exchanged
we could not have exchanged
you could not have exchanged
they could not have exchanged	I could not have been exchanging
you could not have been exchanging
he could not have been exchanging
we could not have been exchanging
you could not have been exchanging
they could not have been exchanging	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I exchange?
could you exchange?
could he exchange?
could we exchange?
could you exchange?
could they exchange? 	could I be exchanging?
could you be exchanging?
could he be exchanging?
could we be exchanging?
could you be exchanging?
could they be exchanging? 	could I have exchanged?
could you have exchanged?
could he have exchanged?
could we have exchanged?
could you have exchanged?
could they have exchanged? 	could I have been exchanging?
could you have been exchanging?
could he have been exchanging?
could we have been exchanging?
could you have been exchanging?
could they have been exchanging? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not exchange?
could you not exchange?
could he not exchange?
could we not exchange?
could you not exchange?
could they not exchange? 	could I not be exchanging?
could you not be exchanging?
could he not be exchanging?
could we not be exchanging?
could you not be exchanging?
could they not be exchanging? 	could I not have exchanged?
could you not have exchanged?
could he not have exchanged?
could we not have exchanged?
could you not have exchanged?
could they not have exchanged? 	could I not have been exchanging?
could you not have been exchanging?
could he not have been exchanging?
could we not have been exchanging?
could you not have been exchanging?
could they not have been exchanging?