could cease
Verbo regular: cease - ceased- ceased

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could cease
you could cease
he could cease
we could cease
you could cease
they could cease 	I could be ceasing
you could be ceasing
he could be ceasing
we could be ceasing
you could be ceasing
they could be ceasing	I could have ceased
you could have ceased
he could have ceased
we could have ceased
you could have ceased
they could have ceased	I could have been ceasing
you could have been ceasing
he could have been ceasing
we could have been ceasing
you could have been ceasing
they could have been ceasing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not cease
you could not cease
he could not cease
we could not cease
you could not cease
they could not cease 	I could not be ceasing
you could not be ceasing
he could not be ceasing
we could not be ceasing
you could not be ceasing
they could not be ceasing	I could not have ceased
you could not have ceased
he could not have ceased
we could not have ceased
you could not have ceased
they could not have ceased	I could not have been ceasing
you could not have been ceasing
he could not have been ceasing
we could not have been ceasing
you could not have been ceasing
they could not have been ceasing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I cease?
could you cease?
could he cease?
could we cease?
could you cease?
could they cease? 	could I be ceasing?
could you be ceasing?
could he be ceasing?
could we be ceasing?
could you be ceasing?
could they be ceasing? 	could I have ceased?
could you have ceased?
could he have ceased?
could we have ceased?
could you have ceased?
could they have ceased? 	could I have been ceasing?
could you have been ceasing?
could he have been ceasing?
could we have been ceasing?
could you have been ceasing?
could they have been ceasing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not cease?
could you not cease?
could he not cease?
could we not cease?
could you not cease?
could they not cease? 	could I not be ceasing?
could you not be ceasing?
could he not be ceasing?
could we not be ceasing?
could you not be ceasing?
could they not be ceasing? 	could I not have ceased?
could you not have ceased?
could he not have ceased?
could we not have ceased?
could you not have ceased?
could they not have ceased? 	could I not have been ceasing?
could you not have been ceasing?
could he not have been ceasing?
could we not have been ceasing?
could you not have been ceasing?
could they not have been ceasing?