could mix
Verbo regular: mix - mixed- mixed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could mix
you could mix
he could mix
we could mix
you could mix
they could mix 	I could be mixing
you could be mixing
he could be mixing
we could be mixing
you could be mixing
they could be mixing	I could have mixed
you could have mixed
he could have mixed
we could have mixed
you could have mixed
they could have mixed	I could have been mixing
you could have been mixing
he could have been mixing
we could have been mixing
you could have been mixing
they could have been mixing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not mix
you could not mix
he could not mix
we could not mix
you could not mix
they could not mix 	I could not be mixing
you could not be mixing
he could not be mixing
we could not be mixing
you could not be mixing
they could not be mixing	I could not have mixed
you could not have mixed
he could not have mixed
we could not have mixed
you could not have mixed
they could not have mixed	I could not have been mixing
you could not have been mixing
he could not have been mixing
we could not have been mixing
you could not have been mixing
they could not have been mixing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I mix?
could you mix?
could he mix?
could we mix?
could you mix?
could they mix? 	could I be mixing?
could you be mixing?
could he be mixing?
could we be mixing?
could you be mixing?
could they be mixing? 	could I have mixed?
could you have mixed?
could he have mixed?
could we have mixed?
could you have mixed?
could they have mixed? 	could I have been mixing?
could you have been mixing?
could he have been mixing?
could we have been mixing?
could you have been mixing?
could they have been mixing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not mix?
could you not mix?
could he not mix?
could we not mix?
could you not mix?
could they not mix? 	could I not be mixing?
could you not be mixing?
could he not be mixing?
could we not be mixing?
could you not be mixing?
could they not be mixing? 	could I not have mixed?
could you not have mixed?
could he not have mixed?
could we not have mixed?
could you not have mixed?
could they not have mixed? 	could I not have been mixing?
could you not have been mixing?
could he not have been mixing?
could we not have been mixing?
could you not have been mixing?
could they not have been mixing?