could raven raven
Verbo regular: raven raven - raven ravened- raven ravened

ón, este verbo puede no existir, se da como ejemplo la conjugación.

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could raven raven
you could raven raven
he could raven raven
we could raven raven
you could raven raven
they could raven raven 	I could be raven ravening
you could be raven ravening
he could be raven ravening
we could be raven ravening
you could be raven ravening
they could be raven ravening	I could have raven ravened
you could have raven ravened
he could have raven ravened
we could have raven ravened
you could have raven ravened
they could have raven ravened	I could have been raven ravening
you could have been raven ravening
he could have been raven ravening
we could have been raven ravening
you could have been raven ravening
they could have been raven ravening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not raven raven
you could not raven raven
he could not raven raven
we could not raven raven
you could not raven raven
they could not raven raven 	I could not be raven ravening
you could not be raven ravening
he could not be raven ravening
we could not be raven ravening
you could not be raven ravening
they could not be raven ravening	I could not have raven ravened
you could not have raven ravened
he could not have raven ravened
we could not have raven ravened
you could not have raven ravened
they could not have raven ravened	I could not have been raven ravening
you could not have been raven ravening
he could not have been raven ravening
we could not have been raven ravening
you could not have been raven ravening
they could not have been raven ravening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I raven raven?
could you raven raven?
could he raven raven?
could we raven raven?
could you raven raven?
could they raven raven? 	could I be raven ravening?
could you be raven ravening?
could he be raven ravening?
could we be raven ravening?
could you be raven ravening?
could they be raven ravening? 	could I have raven ravened?
could you have raven ravened?
could he have raven ravened?
could we have raven ravened?
could you have raven ravened?
could they have raven ravened? 	could I have been raven ravening?
could you have been raven ravening?
could he have been raven ravening?
could we have been raven ravening?
could you have been raven ravening?
could they have been raven ravening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not raven raven?
could you not raven raven?
could he not raven raven?
could we not raven raven?
could you not raven raven?
could they not raven raven? 	could I not be raven ravening?
could you not be raven ravening?
could he not be raven ravening?
could we not be raven ravening?
could you not be raven ravening?
could they not be raven ravening? 	could I not have raven ravened?
could you not have raven ravened?
could he not have raven ravened?
could we not have raven ravened?
could you not have raven ravened?
could they not have raven ravened? 	could I not have been raven ravening?
could you not have been raven ravening?
could he not have been raven ravening?
could we not have been raven ravening?
could you not have been raven ravening?
could they not have been raven ravening?