I can fall you can fall he can fall we can fall you can fall they can fall
Forma con V-ing
I can be falling you can be falling he can be falling we can be falling you can be falling they can be falling
Perfecto
I can have fallen you can have fallen he can have fallen we can have fallen you can have fallen they can have fallen
Perfecto con V-ing
I can have been falling you can have been falling he can have been falling we can have been falling you can have been falling they can have been falling
Negación
Forma simple
I can't fall you can't fall he can't fall we can't fall you can't fall they can't fall
Forma con V-ing
I can't be falling you can't be falling he can't be falling we can't be falling you can't be falling they can't be falling
Perfecto
I can't have fallen you can't have fallen he can't have fallen we can't have fallen you can't have fallen they can't have fallen
Perfecto con V-ing
I can't have been falling you can't have been falling he can't have been falling we can't have been falling you can't have been falling they can't have been falling
Forma interrogativa
Forma simple
can I fall? can you fall? can he fall? can we fall? can you fall? can they fall?
Forma con V-ing
can I be falling? can you be falling? can he be falling? can we be falling? can you be falling? can they be falling?
Perfecto
can I have fallen? can you have fallen? can he have fallen? can we have fallen? can you have fallen? can they have fallen?
Perfecto con V-ing
can I have been falling? can you have been falling? can he have been falling? can we have been falling? can you have been falling? can they have been falling?
Forma interro-negativa
Forma simple
can't I fall? can't you fall? can't he fall? can't we fall? can't you fall? can't they fall?
Forma con V-ing
can't I be falling? can't you be falling? can't he be falling? can't we be falling? can't you be falling? can't they be falling?
Perfecto
can't I have fallen? can't you have fallen? can't he have fallen? can't we have fallen? can't you have fallen? can't they have fallen?
Perfecto con V-ing
can't I have been falling? can't you have been falling? can't he have been falling? can't we have been falling? can't you have been falling? can't they have been falling?