Conjugación del verbo inglés
COULD SAND

Verbo regular: sand - sanded - sanded

Afirmación

Forma simple	Forma con V-ing
I could sand you could sand he could sand we could sand you could sand they could sand	I could be sanding you could be sanding he could be sanding we could be sanding you could be sanding they could be sanding
Perfecto	Perfecto con V-ing
I could have sanded you could have sanded he could have sanded we could have sanded you could have sanded they could have sanded	I could have been sanding you could have been sanding he could have been sanding we could have been sanding you could have been sanding they could have been sanding

Negación

Forma simple	Forma con V-ing
I could not sand you could not sand he could not sand we could not sand you could not sand they could not sand	I could not be sanding you could not be sanding he could not be sanding we could not be sanding you could not be sanding they could not be sanding
Perfecto	Perfecto con V-ing
I could not have sanded you could not have sanded he could not have sanded we could not have sanded you could not have sanded they could not have sanded	I could not have been sanding you could not have been sanding he could not have been sanding we could not have been sanding you could not have been sanding they could not have been sanding

Forma interrogativa

Forma simple	Forma con V-ing
could I sand? could you sand? could he sand? could we sand? could you sand? could they sand?	could I be sanding? could you be sanding? could he be sanding? could we be sanding? could you be sanding? could they be sanding?
Perfecto	Perfecto con V-ing
could I have sanded? could you have sanded? could he have sanded? could we have sanded? could you have sanded? could they have sanded?	could I have been sanding? could you have been sanding? could he have been sanding? could we have been sanding? could you have been sanding? could they have been sanding?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not sand? could you not sand? could he not sand? could we not sand? could you not sand? could they not sand?	could I not be sanding? could you not be sanding? could he not be sanding? could we not be sanding? could you not be sanding? could they not be sanding?
Perfecto	Perfecto con V-ing
could I not have sanded? could you not have sanded? could he not have sanded? could we not have sanded? could you not have sanded? could they not have sanded?	could I not have been sanding? could you not have been sanding? could he not have been sanding? could we not have been sanding? could you not have been sanding? could they not have been sanding?