could ko
Verbo regular: ko - koed- koed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could ko
you could ko
she could ko
we could ko
you could ko
they could ko 	I could be koing
you could be koing
she could be koing
we could be koing
you could be koing
they could be koing	I could have koed
you could have koed
she 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
she could have been koing
we could have been koing
you could have been koing
they could have been koing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not ko
you could not ko
she could not ko
we could not ko
you could not ko
they could not ko 	I could not be koing
you could not be koing
she could not be koing
we could not be koing
you could not be koing
they could not be koing	I could not have koed
you could not have koed
she could not have koed
we could not have koed
you could not have koed
they could not have koed	I could not have been koing
you could not have been koing
she could not have been koing
we could not have been koing
you could not have been koing
they could not have been koing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I ko?
could you ko?
could she ko?
could we ko?
could you ko?
could they ko? 	could I be koing?
could you be koing?
could she be koing?
could we be koing?
could you be koing?
could they be koing? 	could I have koed?
could you have koed?
could she 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 she have been koing?
could we have been koing?
could you have been koing?
could they have been koing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not ko?
could you not ko?
could she not ko?
could we not ko?
could you not ko?
could they not ko? 	could I not be koing?
could you not be koing?
could she not be koing?
could we not be koing?
could you not be koing?
could they not be koing? 	could I not have koed?
could you not have koed?
could she not have koed?
could we not have koed?
could you not have koed?
could they not have koed? 	could I not have been koing?
could you not have been koing?
could she not have been koing?
could we not have been koing?
could you not have been koing?
could they not have been koing?