I can turn you can turn he can turn we can turn you can turn they can turn
Forma com 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
Perfeito
I can have turned you can have turned he can have turned we can have turned you can have turned they can have turned
Perfeito com 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
Negação
Forma simple
I cannot turn you cannot turn he cannot turn we cannot turn you cannot turn they cannot turn
Forma com V-ing
I cannot be turning you cannot be turning he cannot be turning we cannot be turning you cannot be turning they cannot be turning
Perfeito
I cannot have turned you cannot have turned he cannot have turned we cannot have turned you cannot have turned they cannot have turned
Perfeito com V-ing
I cannot have been turning you cannot have been turning he cannot have been turning we cannot have been turning you cannot have been turning they cannot 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 com 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?
Perfeito
can I have turned? can you have turned? can he have turned? can we have turned? can you have turned? can they have turned?
Perfeito com 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-Negação
Forma simple
can I not turn? can you not turn? can he not turn? can we not turn? can you not turn? can they not turn?
Forma com V-ing
can I not be turning? can you not be turning? can he not be turning? can we not be turning? can you not be turning? can they not be turning?
Perfeito
can I not have turned? can you not have turned? can he not have turned? can we not have turned? can you not have turned? can they not have turned?
Perfeito com V-ing
can I not have been turning? can you not have been turning? can he not have been turning? can we not have been turning? can you not have been turning? can they not have been turning?