could yammer
Regelmä&szlig;iges Verb: yammer - yammered- yammered

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could yammer
you could yammer
he could yammer
we could yammer
you could yammer
they could yammer 	I could be yammering
you could be yammering
he could be yammering
we could be yammering
you could be yammering
they could be yammering	I could have yammered
you could have yammered
he could have yammered
we could have yammered
you could have yammered
they could have yammered	I could have been yammering
you could have been yammering
he could have been yammering
we could have been yammering
you could have been yammering
they could have been yammering	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not yammer
you could not yammer
he could not yammer
we could not yammer
you could not yammer
they could not yammer 	I could not be yammering
you could not be yammering
he could not be yammering
we could not be yammering
you could not be yammering
they could not be yammering	I could not have yammered
you could not have yammered
he could not have yammered
we could not have yammered
you could not have yammered
they could not have yammered	I could not have been yammering
you could not have been yammering
he could not have been yammering
we could not have been yammering
you could not have been yammering
they could not have been yammering	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I yammer?
could you yammer?
could he yammer?
could we yammer?
could you yammer?
could they yammer? 	could I be yammering?
could you be yammering?
could he be yammering?
could we be yammering?
could you be yammering?
could they be yammering? 	could I have yammered?
could you have yammered?
could he have yammered?
could we have yammered?
could you have yammered?
could they have yammered? 	could I have been yammering?
could you have been yammering?
could he have been yammering?
could we have been yammering?
could you have been yammering?
could they have been yammering? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not yammer?
could you not yammer?
could he not yammer?
could we not yammer?
could you not yammer?
could they not yammer? 	could I not be yammering?
could you not be yammering?
could he not be yammering?
could we not be yammering?
could you not be yammering?
could they not be yammering? 	could I not have yammered?
could you not have yammered?
could he not have yammered?
could we not have yammered?
could you not have yammered?
could they not have yammered? 	could I not have been yammering?
could you not have been yammering?
could he not have been yammering?
could we not have been yammering?
could you not have been yammering?
could they not have been yammering?