I can bar you can bar he can bar we can bar you can bar they can bar
Forma com V-ing
I can be barring you can be barring he can be barring we can be barring you can be barring they can be barring
Perfeito
I can have barred you can have barred he can have barred we can have barred you can have barred they can have barred
Perfeito com V-ing
I can have been barring you can have been barring he can have been barring we can have been barring you can have been barring they can have been barring
Negação
Forma simple
I can't bar you can't bar he can't bar we can't bar you can't bar they can't bar
Forma com V-ing
I can't be barring you can't be barring he can't be barring we can't be barring you can't be barring they can't be barring
Perfeito
I can't have barred you can't have barred he can't have barred we can't have barred you can't have barred they can't have barred
Perfeito com V-ing
I can't have been barring you can't have been barring he can't have been barring we can't have been barring you can't have been barring they can't have been barring
Forma interrogativa
Forma simple
can I bar? can you bar? can he bar? can we bar? can you bar? can they bar?
Forma com V-ing
can I be barring? can you be barring? can he be barring? can we be barring? can you be barring? can they be barring?
Perfeito
can I have barred? can you have barred? can he have barred? can we have barred? can you have barred? can they have barred?
Perfeito com V-ing
can I have been barring? can you have been barring? can he have been barring? can we have been barring? can you have been barring? can they have been barring?
Forma interro-Negação
Forma simple
can't I bar? can't you bar? can't he bar? can't we bar? can't you bar? can't they bar?
Forma com V-ing
can't I be barring? can't you be barring? can't he be barring? can't we be barring? can't you be barring? can't they be barring?
Perfeito
can't I have barred? can't you have barred? can't he have barred? can't we have barred? can't you have barred? can't they have barred?
Perfeito com V-ing
can't I have been barring? can't you have been barring? can't he have been barring? can't we have been barring? can't you have been barring? can't they have been barring?