could tun
Regelmä&szlig;iges Verb: tun - tuned- tuned

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could tun
you could tun
he could tun
we could tun
you could tun
they could tun 	I could be tuning
you could be tuning
he could be tuning
we could be tuning
you could be tuning
they could be tuning	I could have tuned
you could have tuned
he could have tuned
we could have tuned
you could have tuned
they could have tuned	I could have been tuning
you could have been tuning
he could have been tuning
we could have been tuning
you could have been tuning
they could have been tuning	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't tun
you couldn't tun
he couldn't tun
we couldn't tun
you couldn't tun
they couldn't tun 	I couldn't be tuning
you couldn't be tuning
he couldn't be tuning
we couldn't be tuning
you couldn't be tuning
they couldn't be tuning	I couldn't have tuned
you couldn't have tuned
he couldn't have tuned
we couldn't have tuned
you couldn't have tuned
they couldn't have tuned	I couldn't have been tuning
you couldn't have been tuning
he couldn't have been tuning
we couldn't have been tuning
you couldn't have been tuning
they couldn't have been tuning	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I tun?
could you tun?
could he tun?
could we tun?
could you tun?
could they tun? 	could I be tuning?
could you be tuning?
could he be tuning?
could we be tuning?
could you be tuning?
could they be tuning? 	could I have tuned?
could you have tuned?
could he have tuned?
could we have tuned?
could you have tuned?
could they have tuned? 	could I have been tuning?
could you have been tuning?
could he have been tuning?
could we have been tuning?
could you have been tuning?
could they have been tuning? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I tun?
couldn't you tun?
couldn't he tun?
couldn't we tun?
couldn't you tun?
couldn't they tun? 	couldn't I be tuning?
couldn't you be tuning?
couldn't he be tuning?
couldn't we be tuning?
couldn't you be tuning?
couldn't they be tuning? 	couldn't I have tuned?
couldn't you have tuned?
couldn't he have tuned?
couldn't we have tuned?
couldn't you have tuned?
couldn't they have tuned? 	couldn't I have been tuning?
couldn't you have been tuning?
couldn't he have been tuning?
couldn't we have been tuning?
couldn't you have been tuning?
couldn't they have been tuning?