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
she could exchange
we could exchange
you could exchange
they could exchange 	I could be exchanging
you could be exchanging
she could be exchanging
we could be exchanging
you could be exchanging
they could be exchanging	I could have exchanged
you could have exchanged
she 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
she 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 couldn't exchange
you couldn't exchange
she couldn't exchange
we couldn't exchange
you couldn't exchange
they couldn't exchange 	I couldn't be exchanging
you couldn't be exchanging
she couldn't be exchanging
we couldn't be exchanging
you couldn't be exchanging
they couldn't be exchanging	I couldn't have exchanged
you couldn't have exchanged
she couldn't have exchanged
we couldn't have exchanged
you couldn't have exchanged
they couldn't have exchanged	I couldn't have been exchanging
you couldn't have been exchanging
she couldn't have been exchanging
we couldn't have been exchanging
you couldn't have been exchanging
they couldn't have been exchanging	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I exchange?
could you exchange?
could she exchange?
could we exchange?
could you exchange?
could they exchange? 	could I be exchanging?
could you be exchanging?
could she be exchanging?
could we be exchanging?
could you be exchanging?
could they be exchanging? 	could I have exchanged?
could you have exchanged?
could she 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 she 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 	
couldn't I exchange?
couldn't you exchange?
couldn't she exchange?
couldn't we exchange?
couldn't you exchange?
couldn't they exchange? 	couldn't I be exchanging?
couldn't you be exchanging?
couldn't she be exchanging?
couldn't we be exchanging?
couldn't you be exchanging?
couldn't they be exchanging? 	couldn't I have exchanged?
couldn't you have exchanged?
couldn't she have exchanged?
couldn't we have exchanged?
couldn't you have exchanged?
couldn't they have exchanged? 	couldn't I have been exchanging?
couldn't you have been exchanging?
couldn't she have been exchanging?
couldn't we have been exchanging?
couldn't you have been exchanging?
couldn't they have been exchanging?