I can cure you can cure he can cure we can cure you can cure they can cure
Forma con V-ing
I can be curing you can be curing he can be curing we can be curing you can be curing they can be curing
Perfecto
I can have cured you can have cured he can have cured we can have cured you can have cured they can have cured
Perfecto con V-ing
I can have been curing you can have been curing he can have been curing we can have been curing you can have been curing they can have been curing
Negación
Forma simple
I cannot cure you cannot cure he cannot cure we cannot cure you cannot cure they cannot cure
Forma con V-ing
I cannot be curing you cannot be curing he cannot be curing we cannot be curing you cannot be curing they cannot be curing
Perfecto
I cannot have cured you cannot have cured he cannot have cured we cannot have cured you cannot have cured they cannot have cured
Perfecto con V-ing
I cannot have been curing you cannot have been curing he cannot have been curing we cannot have been curing you cannot have been curing they cannot have been curing
Forma interrogativa
Forma simple
can I cure? can you cure? can he cure? can we cure? can you cure? can they cure?
Forma con V-ing
can I be curing? can you be curing? can he be curing? can we be curing? can you be curing? can they be curing?
Perfecto
can I have cured? can you have cured? can he have cured? can we have cured? can you have cured? can they have cured?
Perfecto con V-ing
can I have been curing? can you have been curing? can he have been curing? can we have been curing? can you have been curing? can they have been curing?
Forma interro-negativa
Forma simple
can I not cure? can you not cure? can he not cure? can we not cure? can you not cure? can they not cure?
Forma con V-ing
can I not be curing? can you not be curing? can he not be curing? can we not be curing? can you not be curing? can they not be curing?
Perfecto
can I not have cured? can you not have cured? can he not have cured? can we not have cured? can you not have cured? can they not have cured?
Perfecto con V-ing
can I not have been curing? can you not have been curing? can he not have been curing? can we not have been curing? can you not have been curing? can they not have been curing?