could shorten
Regelmä&szlig;iges Verb: shorten - shortened- shortened

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could shorten
you could shorten
he could shorten
we could shorten
you could shorten
they could shorten 	I could be shortening
you could be shortening
he could be shortening
we could be shortening
you could be shortening
they could be shortening	I could have shortened
you could have shortened
he could have shortened
we could have shortened
you could have shortened
they could have shortened	I could have been shortening
you could have been shortening
he could have been shortening
we could have been shortening
you could have been shortening
they could have been shortening	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't shorten
you couldn't shorten
he couldn't shorten
we couldn't shorten
you couldn't shorten
they couldn't shorten 	I couldn't be shortening
you couldn't be shortening
he couldn't be shortening
we couldn't be shortening
you couldn't be shortening
they couldn't be shortening	I couldn't have shortened
you couldn't have shortened
he couldn't have shortened
we couldn't have shortened
you couldn't have shortened
they couldn't have shortened	I couldn't have been shortening
you couldn't have been shortening
he couldn't have been shortening
we couldn't have been shortening
you couldn't have been shortening
they couldn't have been shortening	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I shorten?
could you shorten?
could he shorten?
could we shorten?
could you shorten?
could they shorten? 	could I be shortening?
could you be shortening?
could he be shortening?
could we be shortening?
could you be shortening?
could they be shortening? 	could I have shortened?
could you have shortened?
could he have shortened?
could we have shortened?
could you have shortened?
could they have shortened? 	could I have been shortening?
could you have been shortening?
could he have been shortening?
could we have been shortening?
could you have been shortening?
could they have been shortening? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I shorten?
couldn't you shorten?
couldn't he shorten?
couldn't we shorten?
couldn't you shorten?
couldn't they shorten? 	couldn't I be shortening?
couldn't you be shortening?
couldn't he be shortening?
couldn't we be shortening?
couldn't you be shortening?
couldn't they be shortening? 	couldn't I have shortened?
couldn't you have shortened?
couldn't he have shortened?
couldn't we have shortened?
couldn't you have shortened?
couldn't they have shortened? 	couldn't I have been shortening?
couldn't you have been shortening?
couldn't he have been shortening?
couldn't we have been shortening?
couldn't you have been shortening?
couldn't they have been shortening?