can ken
Verbo regular: ken - kened- kened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can ken
you can ken
he can ken
we can ken
you can ken
they can ken 	I can be kening
you can be kening
he can be kening
we can be kening
you can be kening
they can be kening	I can have kened
you can have kened
he can have kened
we can have kened
you can have kened
they can have kened	I can have been kening
you can have been kening
he can have been kening
we can have been kening
you can have been kening
they can have been kening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot ken
you cannot ken
he cannot ken
we cannot ken
you cannot ken
they cannot ken 	I cannot be kening
you cannot be kening
he cannot be kening
we cannot be kening
you cannot be kening
they cannot be kening	I cannot have kened
you cannot have kened
he cannot have kened
we cannot have kened
you cannot have kened
they cannot have kened	I cannot have been kening
you cannot have been kening
he cannot have been kening
we cannot have been kening
you cannot have been kening
they cannot have been kening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I ken?
can you ken?
can he ken?
can we ken?
can you ken?
can they ken? 	can I be kening?
can you be kening?
can he be kening?
can we be kening?
can you be kening?
can they be kening? 	can I have kened?
can you have kened?
can he have kened?
can we have kened?
can you have kened?
can they have kened? 	can I have been kening?
can you have been kening?
can he have been kening?
can we have been kening?
can you have been kening?
can they have been kening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not ken?
can you not ken?
can he not ken?
can we not ken?
can you not ken?
can they not ken? 	can I not be kening?
can you not be kening?
can he not be kening?
can we not be kening?
can you not be kening?
can they not be kening? 	can I not have kened?
can you not have kened?
can he not have kened?
can we not have kened?
can you not have kened?
can they not have kened? 	can I not have been kening?
can you not have been kening?
can he not have been kening?
can we not have been kening?
can you not have been kening?
can they not have been kening?