I can swap you can swap he can swap we can swap you can swap they can swap
Forma con V-ing
I can be swaping you can be swaping he can be swaping we can be swaping you can be swaping they can be swaping
Perfecto
I can have swaped you can have swaped he can have swaped we can have swaped you can have swaped they can have swaped
Perfecto con V-ing
I can have been swaping you can have been swaping he can have been swaping we can have been swaping you can have been swaping they can have been swaping
Negación
Forma simple
I cannot swap you cannot swap he cannot swap we cannot swap you cannot swap they cannot swap
Forma con V-ing
I cannot be swaping you cannot be swaping he cannot be swaping we cannot be swaping you cannot be swaping they cannot be swaping
Perfecto
I cannot have swaped you cannot have swaped he cannot have swaped we cannot have swaped you cannot have swaped they cannot have swaped
Perfecto con V-ing
I cannot have been swaping you cannot have been swaping he cannot have been swaping we cannot have been swaping you cannot have been swaping they cannot have been swaping
Forma interrogativa
Forma simple
can I swap? can you swap? can he swap? can we swap? can you swap? can they swap?
Forma con V-ing
can I be swaping? can you be swaping? can he be swaping? can we be swaping? can you be swaping? can they be swaping?
Perfecto
can I have swaped? can you have swaped? can he have swaped? can we have swaped? can you have swaped? can they have swaped?
Perfecto con V-ing
can I have been swaping? can you have been swaping? can he have been swaping? can we have been swaping? can you have been swaping? can they have been swaping?
Forma interro-negativa
Forma simple
can I not swap? can you not swap? can he not swap? can we not swap? can you not swap? can they not swap?
Forma con V-ing
can I not be swaping? can you not be swaping? can he not be swaping? can we not be swaping? can you not be swaping? can they not be swaping?
Perfecto
can I not have swaped? can you not have swaped? can he not have swaped? can we not have swaped? can you not have swaped? can they not have swaped?
Perfecto con V-ing
can I not have been swaping? can you not have been swaping? can he not have been swaping? can we not have been swaping? can you not have been swaping? can they not have been swaping?