I can turn you can turn he can turn we can turn you can turn they can turn
Forma con V-ing
I can be turning you can be turning he can be turning we can be turning you can be turning they can be turning
Perfecto
I can have turned you can have turned he can have turned we can have turned you can have turned they can have turned
Perfecto con V-ing
I can have been turning you can have been turning he can have been turning we can have been turning you can have been turning they can have been turning
Negación
Forma simple
I can't turn you can't turn he can't turn we can't turn you can't turn they can't turn
Forma con V-ing
I can't be turning you can't be turning he can't be turning we can't be turning you can't be turning they can't be turning
Perfecto
I can't have turned you can't have turned he can't have turned we can't have turned you can't have turned they can't have turned
Perfecto con V-ing
I can't have been turning you can't have been turning he can't have been turning we can't have been turning you can't have been turning they can't have been turning
Forma interrogativa
Forma simple
can I turn? can you turn? can he turn? can we turn? can you turn? can they turn?
Forma con V-ing
can I be turning? can you be turning? can he be turning? can we be turning? can you be turning? can they be turning?
Perfecto
can I have turned? can you have turned? can he have turned? can we have turned? can you have turned? can they have turned?
Perfecto con V-ing
can I have been turning? can you have been turning? can he have been turning? can we have been turning? can you have been turning? can they have been turning?
Forma interro-negativa
Forma simple
can't I turn? can't you turn? can't he turn? can't we turn? can't you turn? can't they turn?
Forma con V-ing
can't I be turning? can't you be turning? can't he be turning? can't we be turning? can't you be turning? can't they be turning?
Perfecto
can't I have turned? can't you have turned? can't he have turned? can't we have turned? can't you have turned? can't they have turned?
Perfecto con V-ing
can't I have been turning? can't you have been turning? can't he have been turning? can't we have been turning? can't you have been turning? can't they have been turning?