could mix
Verbo regular: mix - mixed- mixed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could mix
you could mix
she could mix
we could mix
you could mix
they could mix 	I could be mixing
you could be mixing
she could be mixing
we could be mixing
you could be mixing
they could be mixing	I could have mixed
you could have mixed
she 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
she could have been mixing
we could have been mixing
you could have been mixing
they could have been mixing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not mix
you could not mix
she 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
she 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
she 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
she 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 com V-ing 	Perfeito 	Perfeito com V-ing 	
could I mix?
could you mix?
could she mix?
could we mix?
could you mix?
could they mix? 	could I be mixing?
could you be mixing?
could she be mixing?
could we be mixing?
could you be mixing?
could they be mixing? 	could I have mixed?
could you have mixed?
could she 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 she have been mixing?
could we have been mixing?
could you have been mixing?
could they have been mixing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not mix?
could you not mix?
could she 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 she 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 she 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 she not have been mixing?
could we not have been mixing?
could you not have been mixing?
could they not have been mixing?