could watch
Verbo regular: watch - watched- watched

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could watch
you could watch
he could watch
we could watch
you could watch
they could watch 	I could be watching
you could be watching
he could be watching
we could be watching
you could be watching
they could be watching	I could have watched
you could have watched
he could have watched
we could have watched
you could have watched
they could have watched	I could have been watching
you could have been watching
he could have been watching
we could have been watching
you could have been watching
they could have been watching	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't watch
you couldn't watch
he couldn't watch
we couldn't watch
you couldn't watch
they couldn't watch 	I couldn't be watching
you couldn't be watching
he couldn't be watching
we couldn't be watching
you couldn't be watching
they couldn't be watching	I couldn't have watched
you couldn't have watched
he couldn't have watched
we couldn't have watched
you couldn't have watched
they couldn't have watched	I couldn't have been watching
you couldn't have been watching
he couldn't have been watching
we couldn't have been watching
you couldn't have been watching
they couldn't have been watching	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I watch?
could you watch?
could he watch?
could we watch?
could you watch?
could they watch? 	could I be watching?
could you be watching?
could he be watching?
could we be watching?
could you be watching?
could they be watching? 	could I have watched?
could you have watched?
could he have watched?
could we have watched?
could you have watched?
could they have watched? 	could I have been watching?
could you have been watching?
could he have been watching?
could we have been watching?
could you have been watching?
could they have been watching? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I watch?
couldn't you watch?
couldn't he watch?
couldn't we watch?
couldn't you watch?
couldn't they watch? 	couldn't I be watching?
couldn't you be watching?
couldn't he be watching?
couldn't we be watching?
couldn't you be watching?
couldn't they be watching? 	couldn't I have watched?
couldn't you have watched?
couldn't he have watched?
couldn't we have watched?
couldn't you have watched?
couldn't they have watched? 	couldn't I have been watching?
couldn't you have been watching?
couldn't he have been watching?
couldn't we have been watching?
couldn't you have been watching?
couldn't they have been watching?