could carol
Verbo regular: carol - carolled- carolled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could carol
you could carol
he could carol
we could carol
you could carol
they could carol 	I could be carolling
you could be carolling
he could be carolling
we could be carolling
you could be carolling
they could be carolling	I could have carolled
you could have carolled
he could have carolled
we could have carolled
you could have carolled
they could have carolled	I could have been carolling
you could have been carolling
he could have been carolling
we could have been carolling
you could have been carolling
they could have been carolling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not carol
you could not carol
he could not carol
we could not carol
you could not carol
they could not carol 	I could not be carolling
you could not be carolling
he could not be carolling
we could not be carolling
you could not be carolling
they could not be carolling	I could not have carolled
you could not have carolled
he could not have carolled
we could not have carolled
you could not have carolled
they could not have carolled	I could not have been carolling
you could not have been carolling
he could not have been carolling
we could not have been carolling
you could not have been carolling
they could not have been carolling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I carol?
could you carol?
could he carol?
could we carol?
could you carol?
could they carol? 	could I be carolling?
could you be carolling?
could he be carolling?
could we be carolling?
could you be carolling?
could they be carolling? 	could I have carolled?
could you have carolled?
could he have carolled?
could we have carolled?
could you have carolled?
could they have carolled? 	could I have been carolling?
could you have been carolling?
could he have been carolling?
could we have been carolling?
could you have been carolling?
could they have been carolling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not carol?
could you not carol?
could he not carol?
could we not carol?
could you not carol?
could they not carol? 	could I not be carolling?
could you not be carolling?
could he not be carolling?
could we not be carolling?
could you not be carolling?
could they not be carolling? 	could I not have carolled?
could you not have carolled?
could he not have carolled?
could we not have carolled?
could you not have carolled?
could they not have carolled? 	could I not have been carolling?
could you not have been carolling?
could he not have been carolling?
could we not have been carolling?
could you not have been carolling?
could they not have been carolling?