I can smile you can smile he can smile we can smile you can smile they can smile
Forma con V-ing
I can be smiling you can be smiling he can be smiling we can be smiling you can be smiling they can be smiling
Perfecto
I can have smiled you can have smiled he can have smiled we can have smiled you can have smiled they can have smiled
Perfecto con V-ing
I can have been smiling you can have been smiling he can have been smiling we can have been smiling you can have been smiling they can have been smiling
Negación
Forma simple
I can't smile you can't smile he can't smile we can't smile you can't smile they can't smile
Forma con V-ing
I can't be smiling you can't be smiling he can't be smiling we can't be smiling you can't be smiling they can't be smiling
Perfecto
I can't have smiled you can't have smiled he can't have smiled we can't have smiled you can't have smiled they can't have smiled
Perfecto con V-ing
I can't have been smiling you can't have been smiling he can't have been smiling we can't have been smiling you can't have been smiling they can't have been smiling
Forma interrogativa
Forma simple
can I smile? can you smile? can he smile? can we smile? can you smile? can they smile?
Forma con V-ing
can I be smiling? can you be smiling? can he be smiling? can we be smiling? can you be smiling? can they be smiling?
Perfecto
can I have smiled? can you have smiled? can he have smiled? can we have smiled? can you have smiled? can they have smiled?
Perfecto con V-ing
can I have been smiling? can you have been smiling? can he have been smiling? can we have been smiling? can you have been smiling? can they have been smiling?
Forma interro-negativa
Forma simple
can't I smile? can't you smile? can't he smile? can't we smile? can't you smile? can't they smile?
Forma con V-ing
can't I be smiling? can't you be smiling? can't he be smiling? can't we be smiling? can't you be smiling? can't they be smiling?
Perfecto
can't I have smiled? can't you have smiled? can't he have smiled? can't we have smiled? can't you have smiled? can't they have smiled?
Perfecto con V-ing
can't I have been smiling? can't you have been smiling? can't he have been smiling? can't we have been smiling? can't you have been smiling? can't they have been smiling?