I can add you can add he can add we can add you can add they can add
Forma con V-ing
I can be adding you can be adding he can be adding we can be adding you can be adding they can be adding
Perfecto
I can have added you can have added he can have added we can have added you can have added they can have added
Perfecto con V-ing
I can have been adding you can have been adding he can have been adding we can have been adding you can have been adding they can have been adding
Negación
Forma simple
I cannot add you cannot add he cannot add we cannot add you cannot add they cannot add
Forma con V-ing
I cannot be adding you cannot be adding he cannot be adding we cannot be adding you cannot be adding they cannot be adding
Perfecto
I cannot have added you cannot have added he cannot have added we cannot have added you cannot have added they cannot have added
Perfecto con V-ing
I cannot have been adding you cannot have been adding he cannot have been adding we cannot have been adding you cannot have been adding they cannot have been adding
Forma interrogativa
Forma simple
can I add? can you add? can he add? can we add? can you add? can they add?
Forma con V-ing
can I be adding? can you be adding? can he be adding? can we be adding? can you be adding? can they be adding?
Perfecto
can I have added? can you have added? can he have added? can we have added? can you have added? can they have added?
Perfecto con V-ing
can I have been adding? can you have been adding? can he have been adding? can we have been adding? can you have been adding? can they have been adding?
Forma interro-negativa
Forma simple
can I not add? can you not add? can he not add? can we not add? can you not add? can they not add?
Forma con V-ing
can I not be adding? can you not be adding? can he not be adding? can we not be adding? can you not be adding? can they not be adding?
Perfecto
can I not have added? can you not have added? can he not have added? can we not have added? can you not have added? can they not have added?
Perfecto con V-ing
can I not have been adding? can you not have been adding? can he not have been adding? can we not have been adding? can you not have been adding? can they not have been adding?