could ko
Verbo regolare: ko - koed- koed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could ko
you could ko
he could ko
we could ko
you could ko
they could ko 	I could be koing
you could be koing
he could be koing
we could be koing
you could be koing
they could be koing	I could have koed
you could have koed
he could have koed
we could have koed
you could have koed
they could have koed	I could have been koing
you could have been koing
he could have been koing
we could have been koing
you could have been koing
they could have been koing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't ko
you couldn't ko
he couldn't ko
we couldn't ko
you couldn't ko
they couldn't ko 	I couldn't be koing
you couldn't be koing
he couldn't be koing
we couldn't be koing
you couldn't be koing
they couldn't be koing	I couldn't have koed
you couldn't have koed
he couldn't have koed
we couldn't have koed
you couldn't have koed
they couldn't have koed	I couldn't have been koing
you couldn't have been koing
he couldn't have been koing
we couldn't have been koing
you couldn't have been koing
they couldn't have been koing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I ko?
could you ko?
could he ko?
could we ko?
could you ko?
could they ko? 	could I be koing?
could you be koing?
could he be koing?
could we be koing?
could you be koing?
could they be koing? 	could I have koed?
could you have koed?
could he have koed?
could we have koed?
could you have koed?
could they have koed? 	could I have been koing?
could you have been koing?
could he have been koing?
could we have been koing?
could you have been koing?
could they have been koing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I ko?
couldn't you ko?
couldn't he ko?
couldn't we ko?
couldn't you ko?
couldn't they ko? 	couldn't I be koing?
couldn't you be koing?
couldn't he be koing?
couldn't we be koing?
couldn't you be koing?
couldn't they be koing? 	couldn't I have koed?
couldn't you have koed?
couldn't he have koed?
couldn't we have koed?
couldn't you have koed?
couldn't they have koed? 	couldn't I have been koing?
couldn't you have been koing?
couldn't he have been koing?
couldn't we have been koing?
couldn't you have been koing?
couldn't they have been koing?