I can choose you can choose he can choose we can choose you can choose they can choose
Forma con V-ing
I can be choosing you can be choosing he can be choosing we can be choosing you can be choosing they can be choosing
Perfecto
I can have chosen you can have chosen he can have chosen we can have chosen you can have chosen they can have chosen
Perfecto con V-ing
I can have been choosing you can have been choosing he can have been choosing we can have been choosing you can have been choosing they can have been choosing
Negación
Forma simple
I cannot choose you cannot choose he cannot choose we cannot choose you cannot choose they cannot choose
Forma con V-ing
I cannot be choosing you cannot be choosing he cannot be choosing we cannot be choosing you cannot be choosing they cannot be choosing
Perfecto
I cannot have chosen you cannot have chosen he cannot have chosen we cannot have chosen you cannot have chosen they cannot have chosen
Perfecto con V-ing
I cannot have been choosing you cannot have been choosing he cannot have been choosing we cannot have been choosing you cannot have been choosing they cannot have been choosing
Forma interrogativa
Forma simple
can I choose? can you choose? can he choose? can we choose? can you choose? can they choose?
Forma con V-ing
can I be choosing? can you be choosing? can he be choosing? can we be choosing? can you be choosing? can they be choosing?
Perfecto
can I have chosen? can you have chosen? can he have chosen? can we have chosen? can you have chosen? can they have chosen?
Perfecto con V-ing
can I have been choosing? can you have been choosing? can he have been choosing? can we have been choosing? can you have been choosing? can they have been choosing?
Forma interro-negativa
Forma simple
can I not choose? can you not choose? can he not choose? can we not choose? can you not choose? can they not choose?
Forma con V-ing
can I not be choosing? can you not be choosing? can he not be choosing? can we not be choosing? can you not be choosing? can they not be choosing?
Perfecto
can I not have chosen? can you not have chosen? can he not have chosen? can we not have chosen? can you not have chosen? can they not have chosen?
Perfecto con V-ing
can I not have been choosing? can you not have been choosing? can he not have been choosing? can we not have been choosing? can you not have been choosing? can they not have been choosing?