could articulate
Verbo regular: articulate - articulated- articulated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could articulate
you could articulate
he could articulate
we could articulate
you could articulate
they could articulate 	I could be articulating
you could be articulating
he could be articulating
we could be articulating
you could be articulating
they could be articulating	I could have articulated
you could have articulated
he could have articulated
we could have articulated
you could have articulated
they could have articulated	I could have been articulating
you could have been articulating
he could have been articulating
we could have been articulating
you could have been articulating
they could have been articulating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not articulate
you could not articulate
he could not articulate
we could not articulate
you could not articulate
they could not articulate 	I could not be articulating
you could not be articulating
he could not be articulating
we could not be articulating
you could not be articulating
they could not be articulating	I could not have articulated
you could not have articulated
he could not have articulated
we could not have articulated
you could not have articulated
they could not have articulated	I could not have been articulating
you could not have been articulating
he could not have been articulating
we could not have been articulating
you could not have been articulating
they could not have been articulating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I articulate?
could you articulate?
could he articulate?
could we articulate?
could you articulate?
could they articulate? 	could I be articulating?
could you be articulating?
could he be articulating?
could we be articulating?
could you be articulating?
could they be articulating? 	could I have articulated?
could you have articulated?
could he have articulated?
could we have articulated?
could you have articulated?
could they have articulated? 	could I have been articulating?
could you have been articulating?
could he have been articulating?
could we have been articulating?
could you have been articulating?
could they have been articulating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not articulate?
could you not articulate?
could he not articulate?
could we not articulate?
could you not articulate?
could they not articulate? 	could I not be articulating?
could you not be articulating?
could he not be articulating?
could we not be articulating?
could you not be articulating?
could they not be articulating? 	could I not have articulated?
could you not have articulated?
could he not have articulated?
could we not have articulated?
could you not have articulated?
could they not have articulated? 	could I not have been articulating?
could you not have been articulating?
could he not have been articulating?
could we not have been articulating?
could you not have been articulating?
could they not have been articulating?