I can attain you can attain he can attain we can attain you can attain they can attain
Forma con V-ing
I can be attaining you can be attaining he can be attaining we can be attaining you can be attaining they can be attaining
Perfecto
I can have attained you can have attained he can have attained we can have attained you can have attained they can have attained
Perfecto con V-ing
I can have been attaining you can have been attaining he can have been attaining we can have been attaining you can have been attaining they can have been attaining
Negación
Forma simple
I cannot attain you cannot attain he cannot attain we cannot attain you cannot attain they cannot attain
Forma con V-ing
I cannot be attaining you cannot be attaining he cannot be attaining we cannot be attaining you cannot be attaining they cannot be attaining
Perfecto
I cannot have attained you cannot have attained he cannot have attained we cannot have attained you cannot have attained they cannot have attained
Perfecto con V-ing
I cannot have been attaining you cannot have been attaining he cannot have been attaining we cannot have been attaining you cannot have been attaining they cannot have been attaining
Forma interrogativa
Forma simple
can I attain? can you attain? can he attain? can we attain? can you attain? can they attain?
Forma con V-ing
can I be attaining? can you be attaining? can he be attaining? can we be attaining? can you be attaining? can they be attaining?
Perfecto
can I have attained? can you have attained? can he have attained? can we have attained? can you have attained? can they have attained?
Perfecto con V-ing
can I have been attaining? can you have been attaining? can he have been attaining? can we have been attaining? can you have been attaining? can they have been attaining?
Forma interro-negativa
Forma simple
can I not attain? can you not attain? can he not attain? can we not attain? can you not attain? can they not attain?
Forma con V-ing
can I not be attaining? can you not be attaining? can he not be attaining? can we not be attaining? can you not be attaining? can they not be attaining?
Perfecto
can I not have attained? can you not have attained? can he not have attained? can we not have attained? can you not have attained? can they not have attained?
Perfecto con V-ing
can I not have been attaining? can you not have been attaining? can he not have been attaining? can we not have been attaining? can you not have been attaining? can they not have been attaining?