I can shorten you can shorten he can shorten we can shorten you can shorten they can shorten
Forma con V-ing
I can be shortening you can be shortening he can be shortening we can be shortening you can be shortening they can be shortening
Perfecto
I can have shortened you can have shortened he can have shortened we can have shortened you can have shortened they can have shortened
Perfecto con V-ing
I can have been shortening you can have been shortening he can have been shortening we can have been shortening you can have been shortening they can have been shortening
Negación
Forma simple
I can't shorten you can't shorten he can't shorten we can't shorten you can't shorten they can't shorten
Forma con V-ing
I can't be shortening you can't be shortening he can't be shortening we can't be shortening you can't be shortening they can't be shortening
Perfecto
I can't have shortened you can't have shortened he can't have shortened we can't have shortened you can't have shortened they can't have shortened
Perfecto con V-ing
I can't have been shortening you can't have been shortening he can't have been shortening we can't have been shortening you can't have been shortening they can't have been shortening
Forma interrogativa
Forma simple
can I shorten? can you shorten? can he shorten? can we shorten? can you shorten? can they shorten?
Forma con V-ing
can I be shortening? can you be shortening? can he be shortening? can we be shortening? can you be shortening? can they be shortening?
Perfecto
can I have shortened? can you have shortened? can he have shortened? can we have shortened? can you have shortened? can they have shortened?
Perfecto con V-ing
can I have been shortening? can you have been shortening? can he have been shortening? can we have been shortening? can you have been shortening? can they have been shortening?
Forma interro-negativa
Forma simple
can't I shorten? can't you shorten? can't he shorten? can't we shorten? can't you shorten? can't they shorten?
Forma con V-ing
can't I be shortening? can't you be shortening? can't he be shortening? can't we be shortening? can't you be shortening? can't they be shortening?
Perfecto
can't I have shortened? can't you have shortened? can't he have shortened? can't we have shortened? can't you have shortened? can't they have shortened?
Perfecto con V-ing
can't I have been shortening? can't you have been shortening? can't he have been shortening? can't we have been shortening? can't you have been shortening? can't they have been shortening?