could canal
Verbo regular: canal - canaled- canaled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could canal
you could canal
he could canal
we could canal
you could canal
they could canal 	I could be canaling
you could be canaling
he could be canaling
we could be canaling
you could be canaling
they could be canaling	I could have canaled
you could have canaled
he could have canaled
we could have canaled
you could have canaled
they could have canaled	I could have been canaling
you could have been canaling
he could have been canaling
we could have been canaling
you could have been canaling
they could have been canaling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not canal
you could not canal
he could not canal
we could not canal
you could not canal
they could not canal 	I could not be canaling
you could not be canaling
he could not be canaling
we could not be canaling
you could not be canaling
they could not be canaling	I could not have canaled
you could not have canaled
he could not have canaled
we could not have canaled
you could not have canaled
they could not have canaled	I could not have been canaling
you could not have been canaling
he could not have been canaling
we could not have been canaling
you could not have been canaling
they could not have been canaling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I canal?
could you canal?
could he canal?
could we canal?
could you canal?
could they canal? 	could I be canaling?
could you be canaling?
could he be canaling?
could we be canaling?
could you be canaling?
could they be canaling? 	could I have canaled?
could you have canaled?
could he have canaled?
could we have canaled?
could you have canaled?
could they have canaled? 	could I have been canaling?
could you have been canaling?
could he have been canaling?
could we have been canaling?
could you have been canaling?
could they have been canaling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not canal?
could you not canal?
could he not canal?
could we not canal?
could you not canal?
could they not canal? 	could I not be canaling?
could you not be canaling?
could he not be canaling?
could we not be canaling?
could you not be canaling?
could they not be canaling? 	could I not have canaled?
could you not have canaled?
could he not have canaled?
could we not have canaled?
could you not have canaled?
could they not have canaled? 	could I not have been canaling?
could you not have been canaling?
could he not have been canaling?
could we not have been canaling?
could you not have been canaling?
could they not have been canaling?