I can go you can go he can go we can go you can go they can go
Forma com V-ing
I can be going you can be going he can be going we can be going you can be going they can be going
Perfeito
I can have gone you can have gone he can have gone we can have gone you can have gone they can have gone
Perfeito com V-ing
I can have been going you can have been going he can have been going we can have been going you can have been going they can have been going
Negação
Forma simple
I cannot go you cannot go he cannot go we cannot go you cannot go they cannot go
Forma com V-ing
I cannot be going you cannot be going he cannot be going we cannot be going you cannot be going they cannot be going
Perfeito
I cannot have gone you cannot have gone he cannot have gone we cannot have gone you cannot have gone they cannot have gone
Perfeito com V-ing
I cannot have been going you cannot have been going he cannot have been going we cannot have been going you cannot have been going they cannot have been going
Forma interrogativa
Forma simple
can I go? can you go? can he go? can we go? can you go? can they go?
Forma com V-ing
can I be going? can you be going? can he be going? can we be going? can you be going? can they be going?
Perfeito
can I have gone? can you have gone? can he have gone? can we have gone? can you have gone? can they have gone?
Perfeito com V-ing
can I have been going? can you have been going? can he have been going? can we have been going? can you have been going? can they have been going?
Forma interro-Negação
Forma simple
can I not go? can you not go? can he not go? can we not go? can you not go? can they not go?
Forma com V-ing
can I not be going? can you not be going? can he not be going? can we not be going? can you not be going? can they not be going?
Perfeito
can I not have gone? can you not have gone? can he not have gone? can we not have gone? can you not have gone? can they not have gone?
Perfeito com V-ing
can I not have been going? can you not have been going? can he not have been going? can we not have been going? can you not have been going? can they not have been going?