could rice
Verbo regular: rice - riced- riced

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could rice
you could rice
he could rice
we could rice
you could rice
they could rice 	I could be ricing
you could be ricing
he could be ricing
we could be ricing
you could be ricing
they could be ricing	I could have riced
you could have riced
he could have riced
we could have riced
you could have riced
they could have riced	I could have been ricing
you could have been ricing
he could have been ricing
we could have been ricing
you could have been ricing
they could have been ricing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not rice
you could not rice
he could not rice
we could not rice
you could not rice
they could not rice 	I could not be ricing
you could not be ricing
he could not be ricing
we could not be ricing
you could not be ricing
they could not be ricing	I could not have riced
you could not have riced
he could not have riced
we could not have riced
you could not have riced
they could not have riced	I could not have been ricing
you could not have been ricing
he could not have been ricing
we could not have been ricing
you could not have been ricing
they could not have been ricing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I rice?
could you rice?
could he rice?
could we rice?
could you rice?
could they rice? 	could I be ricing?
could you be ricing?
could he be ricing?
could we be ricing?
could you be ricing?
could they be ricing? 	could I have riced?
could you have riced?
could he have riced?
could we have riced?
could you have riced?
could they have riced? 	could I have been ricing?
could you have been ricing?
could he have been ricing?
could we have been ricing?
could you have been ricing?
could they have been ricing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not rice?
could you not rice?
could he not rice?
could we not rice?
could you not rice?
could they not rice? 	could I not be ricing?
could you not be ricing?
could he not be ricing?
could we not be ricing?
could you not be ricing?
could they not be ricing? 	could I not have riced?
could you not have riced?
could he not have riced?
could we not have riced?
could you not have riced?
could they not have riced? 	could I not have been ricing?
could you not have been ricing?
could he not have been ricing?
could we not have been ricing?
could you not have been ricing?
could they not have been ricing?