I can hack you can hack he can hack we can hack you can hack they can hack
Forma com V-ing
I can be hacking you can be hacking he can be hacking we can be hacking you can be hacking they can be hacking
Perfeito
I can have hacked you can have hacked he can have hacked we can have hacked you can have hacked they can have hacked
Perfeito com V-ing
I can have been hacking you can have been hacking he can have been hacking we can have been hacking you can have been hacking they can have been hacking
Negação
Forma simple
I can't hack you can't hack he can't hack we can't hack you can't hack they can't hack
Forma com V-ing
I can't be hacking you can't be hacking he can't be hacking we can't be hacking you can't be hacking they can't be hacking
Perfeito
I can't have hacked you can't have hacked he can't have hacked we can't have hacked you can't have hacked they can't have hacked
Perfeito com V-ing
I can't have been hacking you can't have been hacking he can't have been hacking we can't have been hacking you can't have been hacking they can't have been hacking
Forma interrogativa
Forma simple
can I hack? can you hack? can he hack? can we hack? can you hack? can they hack?
Forma com V-ing
can I be hacking? can you be hacking? can he be hacking? can we be hacking? can you be hacking? can they be hacking?
Perfeito
can I have hacked? can you have hacked? can he have hacked? can we have hacked? can you have hacked? can they have hacked?
Perfeito com V-ing
can I have been hacking? can you have been hacking? can he have been hacking? can we have been hacking? can you have been hacking? can they have been hacking?
Forma interro-Negação
Forma simple
can't I hack? can't you hack? can't he hack? can't we hack? can't you hack? can't they hack?
Forma com V-ing
can't I be hacking? can't you be hacking? can't he be hacking? can't we be hacking? can't you be hacking? can't they be hacking?
Perfeito
can't I have hacked? can't you have hacked? can't he have hacked? can't we have hacked? can't you have hacked? can't they have hacked?
Perfeito com V-ing
can't I have been hacking? can't you have been hacking? can't he have been hacking? can't we have been hacking? can't you have been hacking? can't they have been hacking?