I can unify you can unify he can unify we can unify you can unify they can unify
Forma con V-ing
I can be unifying you can be unifying he can be unifying we can be unifying you can be unifying they can be unifying
Perfecto
I can have unified you can have unified he can have unified we can have unified you can have unified they can have unified
Perfecto con V-ing
I can have been unifying you can have been unifying he can have been unifying we can have been unifying you can have been unifying they can have been unifying
Negación
Forma simple
I cannot unify you cannot unify he cannot unify we cannot unify you cannot unify they cannot unify
Forma con V-ing
I cannot be unifying you cannot be unifying he cannot be unifying we cannot be unifying you cannot be unifying they cannot be unifying
Perfecto
I cannot have unified you cannot have unified he cannot have unified we cannot have unified you cannot have unified they cannot have unified
Perfecto con V-ing
I cannot have been unifying you cannot have been unifying he cannot have been unifying we cannot have been unifying you cannot have been unifying they cannot have been unifying
Forma interrogativa
Forma simple
can I unify? can you unify? can he unify? can we unify? can you unify? can they unify?
Forma con V-ing
can I be unifying? can you be unifying? can he be unifying? can we be unifying? can you be unifying? can they be unifying?
Perfecto
can I have unified? can you have unified? can he have unified? can we have unified? can you have unified? can they have unified?
Perfecto con V-ing
can I have been unifying? can you have been unifying? can he have been unifying? can we have been unifying? can you have been unifying? can they have been unifying?
Forma interro-negativa
Forma simple
can I not unify? can you not unify? can he not unify? can we not unify? can you not unify? can they not unify?
Forma con V-ing
can I not be unifying? can you not be unifying? can he not be unifying? can we not be unifying? can you not be unifying? can they not be unifying?
Perfecto
can I not have unified? can you not have unified? can he not have unified? can we not have unified? can you not have unified? can they not have unified?
Perfecto con V-ing
can I not have been unifying? can you not have been unifying? can he not have been unifying? can we not have been unifying? can you not have been unifying? can they not have been unifying?