I can leave you can leave he can leave we can leave you can leave they can leave
Forma com V-ing
I can be leaving you can be leaving he can be leaving we can be leaving you can be leaving they can be leaving
Perfeito
I can have left you can have left he can have left we can have left you can have left they can have left
Perfeito com V-ing
I can have been leaving you can have been leaving he can have been leaving we can have been leaving you can have been leaving they can have been leaving
Negação
Forma simple
I can't leave you can't leave he can't leave we can't leave you can't leave they can't leave
Forma com V-ing
I can't be leaving you can't be leaving he can't be leaving we can't be leaving you can't be leaving they can't be leaving
Perfeito
I can't have left you can't have left he can't have left we can't have left you can't have left they can't have left
Perfeito com V-ing
I can't have been leaving you can't have been leaving he can't have been leaving we can't have been leaving you can't have been leaving they can't have been leaving
Forma interrogativa
Forma simple
can I leave? can you leave? can he leave? can we leave? can you leave? can they leave?
Forma com V-ing
can I be leaving? can you be leaving? can he be leaving? can we be leaving? can you be leaving? can they be leaving?
Perfeito
can I have left? can you have left? can he have left? can we have left? can you have left? can they have left?
Perfeito com V-ing
can I have been leaving? can you have been leaving? can he have been leaving? can we have been leaving? can you have been leaving? can they have been leaving?
Forma interro-Negação
Forma simple
can't I leave? can't you leave? can't he leave? can't we leave? can't you leave? can't they leave?
Forma com V-ing
can't I be leaving? can't you be leaving? can't he be leaving? can't we be leaving? can't you be leaving? can't they be leaving?
Perfeito
can't I have left? can't you have left? can't he have left? can't we have left? can't you have left? can't they have left?
Perfeito com V-ing
can't I have been leaving? can't you have been leaving? can't he have been leaving? can't we have been leaving? can't you have been leaving? can't they have been leaving?