I can down you can down he can down we can down you can down they can down
Forma con V-ing
I can be downing you can be downing he can be downing we can be downing you can be downing they can be downing
Perfecto
I can have downed you can have downed he can have downed we can have downed you can have downed they can have downed
Perfecto con V-ing
I can have been downing you can have been downing he can have been downing we can have been downing you can have been downing they can have been downing
Negación
Forma simple
I cannot down you cannot down he cannot down we cannot down you cannot down they cannot down
Forma con V-ing
I cannot be downing you cannot be downing he cannot be downing we cannot be downing you cannot be downing they cannot be downing
Perfecto
I cannot have downed you cannot have downed he cannot have downed we cannot have downed you cannot have downed they cannot have downed
Perfecto con V-ing
I cannot have been downing you cannot have been downing he cannot have been downing we cannot have been downing you cannot have been downing they cannot have been downing
Forma interrogativa
Forma simple
can I down? can you down? can he down? can we down? can you down? can they down?
Forma con V-ing
can I be downing? can you be downing? can he be downing? can we be downing? can you be downing? can they be downing?
Perfecto
can I have downed? can you have downed? can he have downed? can we have downed? can you have downed? can they have downed?
Perfecto con V-ing
can I have been downing? can you have been downing? can he have been downing? can we have been downing? can you have been downing? can they have been downing?
Forma interro-negativa
Forma simple
can I not down? can you not down? can he not down? can we not down? can you not down? can they not down?
Forma con V-ing
can I not be downing? can you not be downing? can he not be downing? can we not be downing? can you not be downing? can they not be downing?
Perfecto
can I not have downed? can you not have downed? can he not have downed? can we not have downed? can you not have downed? can they not have downed?
Perfecto con V-ing
can I not have been downing? can you not have been downing? can he not have been downing? can we not have been downing? can you not have been downing? can they not have been downing?