could drag
Verbo regular: drag - dragged- dragged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could drag
you could drag
he could drag
we could drag
you could drag
they could drag 	I could be dragging
you could be dragging
he could be dragging
we could be dragging
you could be dragging
they could be dragging	I could have dragged
you could have dragged
he could have dragged
we could have dragged
you could have dragged
they could have dragged	I could have been dragging
you could have been dragging
he could have been dragging
we could have been dragging
you could have been dragging
they could have been dragging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not drag
you could not drag
he could not drag
we could not drag
you could not drag
they could not drag 	I could not be dragging
you could not be dragging
he could not be dragging
we could not be dragging
you could not be dragging
they could not be dragging	I could not have dragged
you could not have dragged
he could not have dragged
we could not have dragged
you could not have dragged
they could not have dragged	I could not have been dragging
you could not have been dragging
he could not have been dragging
we could not have been dragging
you could not have been dragging
they could not have been dragging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I drag?
could you drag?
could he drag?
could we drag?
could you drag?
could they drag? 	could I be dragging?
could you be dragging?
could he be dragging?
could we be dragging?
could you be dragging?
could they be dragging? 	could I have dragged?
could you have dragged?
could he have dragged?
could we have dragged?
could you have dragged?
could they have dragged? 	could I have been dragging?
could you have been dragging?
could he have been dragging?
could we have been dragging?
could you have been dragging?
could they have been dragging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not drag?
could you not drag?
could he not drag?
could we not drag?
could you not drag?
could they not drag? 	could I not be dragging?
could you not be dragging?
could he not be dragging?
could we not be dragging?
could you not be dragging?
could they not be dragging? 	could I not have dragged?
could you not have dragged?
could he not have dragged?
could we not have dragged?
could you not have dragged?
could they not have dragged? 	could I not have been dragging?
could you not have been dragging?
could he not have been dragging?
could we not have been dragging?
could you not have been dragging?
could they not have been dragging?