could token
Verbo regular: token - tokened- tokened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could token
you could token
he could token
we could token
you could token
they could token 	I could be tokening
you could be tokening
he could be tokening
we could be tokening
you could be tokening
they could be tokening	I could have tokened
you could have tokened
he could have tokened
we could have tokened
you could have tokened
they could have tokened	I could have been tokening
you could have been tokening
he could have been tokening
we could have been tokening
you could have been tokening
they could have been tokening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't token
you couldn't token
he couldn't token
we couldn't token
you couldn't token
they couldn't token 	I couldn't be tokening
you couldn't be tokening
he couldn't be tokening
we couldn't be tokening
you couldn't be tokening
they couldn't be tokening	I couldn't have tokened
you couldn't have tokened
he couldn't have tokened
we couldn't have tokened
you couldn't have tokened
they couldn't have tokened	I couldn't have been tokening
you couldn't have been tokening
he couldn't have been tokening
we couldn't have been tokening
you couldn't have been tokening
they couldn't have been tokening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I token?
could you token?
could he token?
could we token?
could you token?
could they token? 	could I be tokening?
could you be tokening?
could he be tokening?
could we be tokening?
could you be tokening?
could they be tokening? 	could I have tokened?
could you have tokened?
could he have tokened?
could we have tokened?
could you have tokened?
could they have tokened? 	could I have been tokening?
could you have been tokening?
could he have been tokening?
could we have been tokening?
could you have been tokening?
could they have been tokening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I token?
couldn't you token?
couldn't he token?
couldn't we token?
couldn't you token?
couldn't they token? 	couldn't I be tokening?
couldn't you be tokening?
couldn't he be tokening?
couldn't we be tokening?
couldn't you be tokening?
couldn't they be tokening? 	couldn't I have tokened?
couldn't you have tokened?
couldn't he have tokened?
couldn't we have tokened?
couldn't you have tokened?
couldn't they have tokened? 	couldn't I have been tokening?
couldn't you have been tokening?
couldn't he have been tokening?
couldn't we have been tokening?
couldn't you have been tokening?
couldn't they have been tokening?