could pale
Verbo regular: pale - paled- paled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could pale
you could pale
he could pale
we could pale
you could pale
they could pale 	I could be paling
you could be paling
he could be paling
we could be paling
you could be paling
they could be paling	I could have paled
you could have paled
he could have paled
we could have paled
you could have paled
they could have paled	I could have been paling
you could have been paling
he could have been paling
we could have been paling
you could have been paling
they could have been paling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not pale
you could not pale
he could not pale
we could not pale
you could not pale
they could not pale 	I could not be paling
you could not be paling
he could not be paling
we could not be paling
you could not be paling
they could not be paling	I could not have paled
you could not have paled
he could not have paled
we could not have paled
you could not have paled
they could not have paled	I could not have been paling
you could not have been paling
he could not have been paling
we could not have been paling
you could not have been paling
they could not have been paling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I pale?
could you pale?
could he pale?
could we pale?
could you pale?
could they pale? 	could I be paling?
could you be paling?
could he be paling?
could we be paling?
could you be paling?
could they be paling? 	could I have paled?
could you have paled?
could he have paled?
could we have paled?
could you have paled?
could they have paled? 	could I have been paling?
could you have been paling?
could he have been paling?
could we have been paling?
could you have been paling?
could they have been paling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not pale?
could you not pale?
could he not pale?
could we not pale?
could you not pale?
could they not pale? 	could I not be paling?
could you not be paling?
could he not be paling?
could we not be paling?
could you not be paling?
could they not be paling? 	could I not have paled?
could you not have paled?
could he not have paled?
could we not have paled?
could you not have paled?
could they not have paled? 	could I not have been paling?
could you not have been paling?
could he not have been paling?
could we not have been paling?
could you not have been paling?
could they not have been paling?