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

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

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

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

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