could duck
Regelmä&szlig;iges Verb: duck - ducked- ducked

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could duck
you could duck
he could duck
we could duck
you could duck
they could duck 	I could be ducking
you could be ducking
he could be ducking
we could be ducking
you could be ducking
they could be ducking	I could have ducked
you could have ducked
he could have ducked
we could have ducked
you could have ducked
they could have ducked	I could have been ducking
you could have been ducking
he could have been ducking
we could have been ducking
you could have been ducking
they could have been ducking	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't duck
you couldn't duck
he couldn't duck
we couldn't duck
you couldn't duck
they couldn't duck 	I couldn't be ducking
you couldn't be ducking
he couldn't be ducking
we couldn't be ducking
you couldn't be ducking
they couldn't be ducking	I couldn't have ducked
you couldn't have ducked
he couldn't have ducked
we couldn't have ducked
you couldn't have ducked
they couldn't have ducked	I couldn't have been ducking
you couldn't have been ducking
he couldn't have been ducking
we couldn't have been ducking
you couldn't have been ducking
they couldn't have been ducking	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I duck?
could you duck?
could he duck?
could we duck?
could you duck?
could they duck? 	could I be ducking?
could you be ducking?
could he be ducking?
could we be ducking?
could you be ducking?
could they be ducking? 	could I have ducked?
could you have ducked?
could he have ducked?
could we have ducked?
could you have ducked?
could they have ducked? 	could I have been ducking?
could you have been ducking?
could he have been ducking?
could we have been ducking?
could you have been ducking?
could they have been ducking? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I duck?
couldn't you duck?
couldn't he duck?
couldn't we duck?
couldn't you duck?
couldn't they duck? 	couldn't I be ducking?
couldn't you be ducking?
couldn't he be ducking?
couldn't we be ducking?
couldn't you be ducking?
couldn't they be ducking? 	couldn't I have ducked?
couldn't you have ducked?
couldn't he have ducked?
couldn't we have ducked?
couldn't you have ducked?
couldn't they have ducked? 	couldn't I have been ducking?
couldn't you have been ducking?
couldn't he have been ducking?
couldn't we have been ducking?
couldn't you have been ducking?
couldn't they have been ducking?