I can board you can board he can board we can board you can board they can board
Forma com V-ing
I can be boarding you can be boarding he can be boarding we can be boarding you can be boarding they can be boarding
Perfeito
I can have boarded you can have boarded he can have boarded we can have boarded you can have boarded they can have boarded
Perfeito com V-ing
I can have been boarding you can have been boarding he can have been boarding we can have been boarding you can have been boarding they can have been boarding
Negação
Forma simple
I cannot board you cannot board he cannot board we cannot board you cannot board they cannot board
Forma com V-ing
I cannot be boarding you cannot be boarding he cannot be boarding we cannot be boarding you cannot be boarding they cannot be boarding
Perfeito
I cannot have boarded you cannot have boarded he cannot have boarded we cannot have boarded you cannot have boarded they cannot have boarded
Perfeito com V-ing
I cannot have been boarding you cannot have been boarding he cannot have been boarding we cannot have been boarding you cannot have been boarding they cannot have been boarding
Forma interrogativa
Forma simple
can I board? can you board? can he board? can we board? can you board? can they board?
Forma com V-ing
can I be boarding? can you be boarding? can he be boarding? can we be boarding? can you be boarding? can they be boarding?
Perfeito
can I have boarded? can you have boarded? can he have boarded? can we have boarded? can you have boarded? can they have boarded?
Perfeito com V-ing
can I have been boarding? can you have been boarding? can he have been boarding? can we have been boarding? can you have been boarding? can they have been boarding?
Forma interro-Negação
Forma simple
can I not board? can you not board? can he not board? can we not board? can you not board? can they not board?
Forma com V-ing
can I not be boarding? can you not be boarding? can he not be boarding? can we not be boarding? can you not be boarding? can they not be boarding?
Perfeito
can I not have boarded? can you not have boarded? can he not have boarded? can we not have boarded? can you not have boarded? can they not have boarded?
Perfeito com V-ing
can I not have been boarding? can you not have been boarding? can he not have been boarding? can we not have been boarding? can you not have been boarding? can they not have been boarding?