I can sour you can sour he can sour we can sour you can sour they can sour
Forma con V-ing
I can be souring you can be souring he can be souring we can be souring you can be souring they can be souring
Perfecto
I can have soured you can have soured he can have soured we can have soured you can have soured they can have soured
Perfecto con V-ing
I can have been souring you can have been souring he can have been souring we can have been souring you can have been souring they can have been souring
Negación
Forma simple
I cannot sour you cannot sour he cannot sour we cannot sour you cannot sour they cannot sour
Forma con V-ing
I cannot be souring you cannot be souring he cannot be souring we cannot be souring you cannot be souring they cannot be souring
Perfecto
I cannot have soured you cannot have soured he cannot have soured we cannot have soured you cannot have soured they cannot have soured
Perfecto con V-ing
I cannot have been souring you cannot have been souring he cannot have been souring we cannot have been souring you cannot have been souring they cannot have been souring
Forma interrogativa
Forma simple
can I sour? can you sour? can he sour? can we sour? can you sour? can they sour?
Forma con V-ing
can I be souring? can you be souring? can he be souring? can we be souring? can you be souring? can they be souring?
Perfecto
can I have soured? can you have soured? can he have soured? can we have soured? can you have soured? can they have soured?
Perfecto con V-ing
can I have been souring? can you have been souring? can he have been souring? can we have been souring? can you have been souring? can they have been souring?
Forma interro-negativa
Forma simple
can I not sour? can you not sour? can he not sour? can we not sour? can you not sour? can they not sour?
Forma con V-ing
can I not be souring? can you not be souring? can he not be souring? can we not be souring? can you not be souring? can they not be souring?
Perfecto
can I not have soured? can you not have soured? can he not have soured? can we not have soured? can you not have soured? can they not have soured?
Perfecto con V-ing
can I not have been souring? can you not have been souring? can he not have been souring? can we not have been souring? can you not have been souring? can they not have been souring?