could quack
Regelmä&szlig;iges Verb: quack - quacked- quacked

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could quack
you could quack
she could quack
we could quack
you could quack
they could quack 	I could be quacking
you could be quacking
she could be quacking
we could be quacking
you could be quacking
they could be quacking	I could have quacked
you could have quacked
she could have quacked
we could have quacked
you could have quacked
they could have quacked	I could have been quacking
you could have been quacking
she could have been quacking
we could have been quacking
you could have been quacking
they could have been quacking	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't quack
you couldn't quack
she couldn't quack
we couldn't quack
you couldn't quack
they couldn't quack 	I couldn't be quacking
you couldn't be quacking
she couldn't be quacking
we couldn't be quacking
you couldn't be quacking
they couldn't be quacking	I couldn't have quacked
you couldn't have quacked
she couldn't have quacked
we couldn't have quacked
you couldn't have quacked
they couldn't have quacked	I couldn't have been quacking
you couldn't have been quacking
she couldn't have been quacking
we couldn't have been quacking
you couldn't have been quacking
they couldn't have been quacking	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I quack?
could you quack?
could she quack?
could we quack?
could you quack?
could they quack? 	could I be quacking?
could you be quacking?
could she be quacking?
could we be quacking?
could you be quacking?
could they be quacking? 	could I have quacked?
could you have quacked?
could she have quacked?
could we have quacked?
could you have quacked?
could they have quacked? 	could I have been quacking?
could you have been quacking?
could she have been quacking?
could we have been quacking?
could you have been quacking?
could they have been quacking? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I quack?
couldn't you quack?
couldn't she quack?
couldn't we quack?
couldn't you quack?
couldn't they quack? 	couldn't I be quacking?
couldn't you be quacking?
couldn't she be quacking?
couldn't we be quacking?
couldn't you be quacking?
couldn't they be quacking? 	couldn't I have quacked?
couldn't you have quacked?
couldn't she have quacked?
couldn't we have quacked?
couldn't you have quacked?
couldn't they have quacked? 	couldn't I have been quacking?
couldn't you have been quacking?
couldn't she have been quacking?
couldn't we have been quacking?
couldn't you have been quacking?
couldn't they have been quacking?