I could fix you could fix she could fix we could fix you could fix they could fix
Forma con V-ing
I could be fixing you could be fixing she could be fixing we could be fixing you could be fixing they could be fixing
Perfecto
I could have fixed you could have fixed she could have fixed we could have fixed you could have fixed they could have fixed
Perfecto con V-ing
I could have been fixing you could have been fixing she could have been fixing we could have been fixing you could have been fixing they could have been fixing
Negación
Forma simple
I could not fix you could not fix she could not fix we could not fix you could not fix they could not fix
Forma con V-ing
I could not be fixing you could not be fixing she could not be fixing we could not be fixing you could not be fixing they could not be fixing
Perfecto
I could not have fixed you could not have fixed she could not have fixed we could not have fixed you could not have fixed they could not have fixed
Perfecto con V-ing
I could not have been fixing you could not have been fixing she could not have been fixing we could not have been fixing you could not have been fixing they could not have been fixing
Forma interrogativa
Forma simple
could I fix? could you fix? could she fix? could we fix? could you fix? could they fix?
Forma con V-ing
could I be fixing? could you be fixing? could she be fixing? could we be fixing? could you be fixing? could they be fixing?
Perfecto
could I have fixed? could you have fixed? could she have fixed? could we have fixed? could you have fixed? could they have fixed?
Perfecto con V-ing
could I have been fixing? could you have been fixing? could she have been fixing? could we have been fixing? could you have been fixing? could they have been fixing?
Forma interro-negativa
Forma simple
could I not fix? could you not fix? could she not fix? could we not fix? could you not fix? could they not fix?
Forma con V-ing
could I not be fixing? could you not be fixing? could she not be fixing? could we not be fixing? could you not be fixing? could they not be fixing?
Perfecto
could I not have fixed? could you not have fixed? could she not have fixed? could we not have fixed? could you not have fixed? could they not have fixed?
Perfecto con V-ing
could I not have been fixing? could you not have been fixing? could she not have been fixing? could we not have been fixing? could you not have been fixing? could they not have been fixing?