could sluice
Verbo regular: sluice - sluiced- sluiced

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could sluice
you could sluice
he could sluice
we could sluice
you could sluice
they could sluice 	I could be sluicing
you could be sluicing
he could be sluicing
we could be sluicing
you could be sluicing
they could be sluicing	I could have sluiced
you could have sluiced
he could have sluiced
we could have sluiced
you could have sluiced
they could have sluiced	I could have been sluicing
you could have been sluicing
he could have been sluicing
we could have been sluicing
you could have been sluicing
they could have been sluicing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not sluice
you could not sluice
he could not sluice
we could not sluice
you could not sluice
they could not sluice 	I could not be sluicing
you could not be sluicing
he could not be sluicing
we could not be sluicing
you could not be sluicing
they could not be sluicing	I could not have sluiced
you could not have sluiced
he could not have sluiced
we could not have sluiced
you could not have sluiced
they could not have sluiced	I could not have been sluicing
you could not have been sluicing
he could not have been sluicing
we could not have been sluicing
you could not have been sluicing
they could not have been sluicing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I sluice?
could you sluice?
could he sluice?
could we sluice?
could you sluice?
could they sluice? 	could I be sluicing?
could you be sluicing?
could he be sluicing?
could we be sluicing?
could you be sluicing?
could they be sluicing? 	could I have sluiced?
could you have sluiced?
could he have sluiced?
could we have sluiced?
could you have sluiced?
could they have sluiced? 	could I have been sluicing?
could you have been sluicing?
could he have been sluicing?
could we have been sluicing?
could you have been sluicing?
could they have been sluicing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not sluice?
could you not sluice?
could he not sluice?
could we not sluice?
could you not sluice?
could they not sluice? 	could I not be sluicing?
could you not be sluicing?
could he not be sluicing?
could we not be sluicing?
could you not be sluicing?
could they not be sluicing? 	could I not have sluiced?
could you not have sluiced?
could he not have sluiced?
could we not have sluiced?
could you not have sluiced?
could they not have sluiced? 	could I not have been sluicing?
could you not have been sluicing?
could he not have been sluicing?
could we not have been sluicing?
could you not have been sluicing?
could they not have been sluicing?