could rollerblade
Regelmä&szlig;iges Verb: rollerblade - rollerbladed- rollerbladed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could rollerblade
you could rollerblade
he could rollerblade
we could rollerblade
you could rollerblade
they could rollerblade 	I could be rollerblading
you could be rollerblading
he could be rollerblading
we could be rollerblading
you could be rollerblading
they could be rollerblading	I could have rollerbladed
you could have rollerbladed
he could have rollerbladed
we could have rollerbladed
you could have rollerbladed
they could have rollerbladed	I could have been rollerblading
you could have been rollerblading
he could have been rollerblading
we could have been rollerblading
you could have been rollerblading
they could have been rollerblading	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not rollerblade
you could not rollerblade
he could not rollerblade
we could not rollerblade
you could not rollerblade
they could not rollerblade 	I could not be rollerblading
you could not be rollerblading
he could not be rollerblading
we could not be rollerblading
you could not be rollerblading
they could not be rollerblading	I could not have rollerbladed
you could not have rollerbladed
he could not have rollerbladed
we could not have rollerbladed
you could not have rollerbladed
they could not have rollerbladed	I could not have been rollerblading
you could not have been rollerblading
he could not have been rollerblading
we could not have been rollerblading
you could not have been rollerblading
they could not have been rollerblading	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I rollerblade?
could you rollerblade?
could he rollerblade?
could we rollerblade?
could you rollerblade?
could they rollerblade? 	could I be rollerblading?
could you be rollerblading?
could he be rollerblading?
could we be rollerblading?
could you be rollerblading?
could they be rollerblading? 	could I have rollerbladed?
could you have rollerbladed?
could he have rollerbladed?
could we have rollerbladed?
could you have rollerbladed?
could they have rollerbladed? 	could I have been rollerblading?
could you have been rollerblading?
could he have been rollerblading?
could we have been rollerblading?
could you have been rollerblading?
could they have been rollerblading? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not rollerblade?
could you not rollerblade?
could he not rollerblade?
could we not rollerblade?
could you not rollerblade?
could they not rollerblade? 	could I not be rollerblading?
could you not be rollerblading?
could he not be rollerblading?
could we not be rollerblading?
could you not be rollerblading?
could they not be rollerblading? 	could I not have rollerbladed?
could you not have rollerbladed?
could he not have rollerbladed?
could we not have rollerbladed?
could you not have rollerbladed?
could they not have rollerbladed? 	could I not have been rollerblading?
could you not have been rollerblading?
could he not have been rollerblading?
could we not have been rollerblading?
could you not have been rollerblading?
could they not have been rollerblading?