I can calk you can calk he can calk we can calk you can calk they can calk
Forma con V-ing
I can be calking you can be calking he can be calking we can be calking you can be calking they can be calking
Perfecto
I can have calked you can have calked he can have calked we can have calked you can have calked they can have calked
Perfecto con V-ing
I can have been calking you can have been calking he can have been calking we can have been calking you can have been calking they can have been calking
Negación
Forma simple
I cannot calk you cannot calk he cannot calk we cannot calk you cannot calk they cannot calk
Forma con V-ing
I cannot be calking you cannot be calking he cannot be calking we cannot be calking you cannot be calking they cannot be calking
Perfecto
I cannot have calked you cannot have calked he cannot have calked we cannot have calked you cannot have calked they cannot have calked
Perfecto con V-ing
I cannot have been calking you cannot have been calking he cannot have been calking we cannot have been calking you cannot have been calking they cannot have been calking
Forma interrogativa
Forma simple
can I calk? can you calk? can he calk? can we calk? can you calk? can they calk?
Forma con V-ing
can I be calking? can you be calking? can he be calking? can we be calking? can you be calking? can they be calking?
Perfecto
can I have calked? can you have calked? can he have calked? can we have calked? can you have calked? can they have calked?
Perfecto con V-ing
can I have been calking? can you have been calking? can he have been calking? can we have been calking? can you have been calking? can they have been calking?
Forma interro-negativa
Forma simple
can I not calk? can you not calk? can he not calk? can we not calk? can you not calk? can they not calk?
Forma con V-ing
can I not be calking? can you not be calking? can he not be calking? can we not be calking? can you not be calking? can they not be calking?
Perfecto
can I not have calked? can you not have calked? can he not have calked? can we not have calked? can you not have calked? can they not have calked?
Perfecto con V-ing
can I not have been calking? can you not have been calking? can he not have been calking? can we not have been calking? can you not have been calking? can they not have been calking?