could agree
Verbo regular: agree - agreed- agreed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could agree
you could agree
he could agree
we could agree
you could agree
they could agree 	I could be agreeing
you could be agreeing
he could be agreeing
we could be agreeing
you could be agreeing
they could be agreeing	I could have agreed
you could have agreed
he could have agreed
we could have agreed
you could have agreed
they could have agreed	I could have been agreeing
you could have been agreeing
he could have been agreeing
we could have been agreeing
you could have been agreeing
they could have been agreeing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not agree
you could not agree
he could not agree
we could not agree
you could not agree
they could not agree 	I could not be agreeing
you could not be agreeing
he could not be agreeing
we could not be agreeing
you could not be agreeing
they could not be agreeing	I could not have agreed
you could not have agreed
he could not have agreed
we could not have agreed
you could not have agreed
they could not have agreed	I could not have been agreeing
you could not have been agreeing
he could not have been agreeing
we could not have been agreeing
you could not have been agreeing
they could not have been agreeing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I agree?
could you agree?
could he agree?
could we agree?
could you agree?
could they agree? 	could I be agreeing?
could you be agreeing?
could he be agreeing?
could we be agreeing?
could you be agreeing?
could they be agreeing? 	could I have agreed?
could you have agreed?
could he have agreed?
could we have agreed?
could you have agreed?
could they have agreed? 	could I have been agreeing?
could you have been agreeing?
could he have been agreeing?
could we have been agreeing?
could you have been agreeing?
could they have been agreeing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not agree?
could you not agree?
could he not agree?
could we not agree?
could you not agree?
could they not agree? 	could I not be agreeing?
could you not be agreeing?
could he not be agreeing?
could we not be agreeing?
could you not be agreeing?
could they not be agreeing? 	could I not have agreed?
could you not have agreed?
could he not have agreed?
could we not have agreed?
could you not have agreed?
could they not have agreed? 	could I not have been agreeing?
could you not have been agreeing?
could he not have been agreeing?
could we not have been agreeing?
could you not have been agreeing?
could they not have been agreeing?