could retitle
Verbo regular: retitle - retitled- retitled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could retitle
you could retitle
he could retitle
we could retitle
you could retitle
they could retitle 	I could be retitling
you could be retitling
he could be retitling
we could be retitling
you could be retitling
they could be retitling	I could have retitled
you could have retitled
he could have retitled
we could have retitled
you could have retitled
they could have retitled	I could have been retitling
you could have been retitling
he could have been retitling
we could have been retitling
you could have been retitling
they could have been retitling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't retitle
you couldn't retitle
he couldn't retitle
we couldn't retitle
you couldn't retitle
they couldn't retitle 	I couldn't be retitling
you couldn't be retitling
he couldn't be retitling
we couldn't be retitling
you couldn't be retitling
they couldn't be retitling	I couldn't have retitled
you couldn't have retitled
he couldn't have retitled
we couldn't have retitled
you couldn't have retitled
they couldn't have retitled	I couldn't have been retitling
you couldn't have been retitling
he couldn't have been retitling
we couldn't have been retitling
you couldn't have been retitling
they couldn't have been retitling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I retitle?
could you retitle?
could he retitle?
could we retitle?
could you retitle?
could they retitle? 	could I be retitling?
could you be retitling?
could he be retitling?
could we be retitling?
could you be retitling?
could they be retitling? 	could I have retitled?
could you have retitled?
could he have retitled?
could we have retitled?
could you have retitled?
could they have retitled? 	could I have been retitling?
could you have been retitling?
could he have been retitling?
could we have been retitling?
could you have been retitling?
could they have been retitling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I retitle?
couldn't you retitle?
couldn't he retitle?
couldn't we retitle?
couldn't you retitle?
couldn't they retitle? 	couldn't I be retitling?
couldn't you be retitling?
couldn't he be retitling?
couldn't we be retitling?
couldn't you be retitling?
couldn't they be retitling? 	couldn't I have retitled?
couldn't you have retitled?
couldn't he have retitled?
couldn't we have retitled?
couldn't you have retitled?
couldn't they have retitled? 	couldn't I have been retitling?
couldn't you have been retitling?
couldn't he have been retitling?
couldn't we have been retitling?
couldn't you have been retitling?
couldn't they have been retitling?