could curtain
Regelmä&szlig;iges Verb: curtain - curtained- curtained

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could curtain
you could curtain
he could curtain
we could curtain
you could curtain
they could curtain 	I could be curtaining
you could be curtaining
he could be curtaining
we could be curtaining
you could be curtaining
they could be curtaining	I could have curtained
you could have curtained
he could have curtained
we could have curtained
you could have curtained
they could have curtained	I could have been curtaining
you could have been curtaining
he could have been curtaining
we could have been curtaining
you could have been curtaining
they could have been curtaining	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't curtain
you couldn't curtain
he couldn't curtain
we couldn't curtain
you couldn't curtain
they couldn't curtain 	I couldn't be curtaining
you couldn't be curtaining
he couldn't be curtaining
we couldn't be curtaining
you couldn't be curtaining
they couldn't be curtaining	I couldn't have curtained
you couldn't have curtained
he couldn't have curtained
we couldn't have curtained
you couldn't have curtained
they couldn't have curtained	I couldn't have been curtaining
you couldn't have been curtaining
he couldn't have been curtaining
we couldn't have been curtaining
you couldn't have been curtaining
they couldn't have been curtaining	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I curtain?
could you curtain?
could he curtain?
could we curtain?
could you curtain?
could they curtain? 	could I be curtaining?
could you be curtaining?
could he be curtaining?
could we be curtaining?
could you be curtaining?
could they be curtaining? 	could I have curtained?
could you have curtained?
could he have curtained?
could we have curtained?
could you have curtained?
could they have curtained? 	could I have been curtaining?
could you have been curtaining?
could he have been curtaining?
could we have been curtaining?
could you have been curtaining?
could they have been curtaining? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I curtain?
couldn't you curtain?
couldn't he curtain?
couldn't we curtain?
couldn't you curtain?
couldn't they curtain? 	couldn't I be curtaining?
couldn't you be curtaining?
couldn't he be curtaining?
couldn't we be curtaining?
couldn't you be curtaining?
couldn't they be curtaining? 	couldn't I have curtained?
couldn't you have curtained?
couldn't he have curtained?
couldn't we have curtained?
couldn't you have curtained?
couldn't they have curtained? 	couldn't I have been curtaining?
couldn't you have been curtaining?
couldn't he have been curtaining?
couldn't we have been curtaining?
couldn't you have been curtaining?
couldn't they have been curtaining?