could smelt
Verbo regular: smelt - smelted- smelted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could smelt
you could smelt
he could smelt
we could smelt
you could smelt
they could smelt 	I could be smelting
you could be smelting
he could be smelting
we could be smelting
you could be smelting
they could be smelting	I could have smelted
you could have smelted
he could have smelted
we could have smelted
you could have smelted
they could have smelted	I could have been smelting
you could have been smelting
he could have been smelting
we could have been smelting
you could have been smelting
they could have been smelting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not smelt
you could not smelt
he could not smelt
we could not smelt
you could not smelt
they could not smelt 	I could not be smelting
you could not be smelting
he could not be smelting
we could not be smelting
you could not be smelting
they could not be smelting	I could not have smelted
you could not have smelted
he could not have smelted
we could not have smelted
you could not have smelted
they could not have smelted	I could not have been smelting
you could not have been smelting
he could not have been smelting
we could not have been smelting
you could not have been smelting
they could not have been smelting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I smelt?
could you smelt?
could he smelt?
could we smelt?
could you smelt?
could they smelt? 	could I be smelting?
could you be smelting?
could he be smelting?
could we be smelting?
could you be smelting?
could they be smelting? 	could I have smelted?
could you have smelted?
could he have smelted?
could we have smelted?
could you have smelted?
could they have smelted? 	could I have been smelting?
could you have been smelting?
could he have been smelting?
could we have been smelting?
could you have been smelting?
could they have been smelting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not smelt?
could you not smelt?
could he not smelt?
could we not smelt?
could you not smelt?
could they not smelt? 	could I not be smelting?
could you not be smelting?
could he not be smelting?
could we not be smelting?
could you not be smelting?
could they not be smelting? 	could I not have smelted?
could you not have smelted?
could he not have smelted?
could we not have smelted?
could you not have smelted?
could they not have smelted? 	could I not have been smelting?
could you not have been smelting?
could he not have been smelting?
could we not have been smelting?
could you not have been smelting?
could they not have been smelting?