could entail
Verbo regular: entail - entailed- entailed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could entail
you could entail
he could entail
we could entail
you could entail
they could entail 	I could be entailing
you could be entailing
he could be entailing
we could be entailing
you could be entailing
they could be entailing	I could have entailed
you could have entailed
he could have entailed
we could have entailed
you could have entailed
they could have entailed	I could have been entailing
you could have been entailing
he could have been entailing
we could have been entailing
you could have been entailing
they could have been entailing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not entail
you could not entail
he could not entail
we could not entail
you could not entail
they could not entail 	I could not be entailing
you could not be entailing
he could not be entailing
we could not be entailing
you could not be entailing
they could not be entailing	I could not have entailed
you could not have entailed
he could not have entailed
we could not have entailed
you could not have entailed
they could not have entailed	I could not have been entailing
you could not have been entailing
he could not have been entailing
we could not have been entailing
you could not have been entailing
they could not have been entailing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I entail?
could you entail?
could he entail?
could we entail?
could you entail?
could they entail? 	could I be entailing?
could you be entailing?
could he be entailing?
could we be entailing?
could you be entailing?
could they be entailing? 	could I have entailed?
could you have entailed?
could he have entailed?
could we have entailed?
could you have entailed?
could they have entailed? 	could I have been entailing?
could you have been entailing?
could he have been entailing?
could we have been entailing?
could you have been entailing?
could they have been entailing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not entail?
could you not entail?
could he not entail?
could we not entail?
could you not entail?
could they not entail? 	could I not be entailing?
could you not be entailing?
could he not be entailing?
could we not be entailing?
could you not be entailing?
could they not be entailing? 	could I not have entailed?
could you not have entailed?
could he not have entailed?
could we not have entailed?
could you not have entailed?
could they not have entailed? 	could I not have been entailing?
could you not have been entailing?
could he not have been entailing?
could we not have been entailing?
could you not have been entailing?
could they not have been entailing?