I can scan you can scan he can scan we can scan you can scan they can scan
Forma com V-ing
I can be scanning you can be scanning he can be scanning we can be scanning you can be scanning they can be scanning
Perfeito
I can have scanned you can have scanned he can have scanned we can have scanned you can have scanned they can have scanned
Perfeito com V-ing
I can have been scanning you can have been scanning he can have been scanning we can have been scanning you can have been scanning they can have been scanning
Negação
Forma simple
I can't scan you can't scan he can't scan we can't scan you can't scan they can't scan
Forma com V-ing
I can't be scanning you can't be scanning he can't be scanning we can't be scanning you can't be scanning they can't be scanning
Perfeito
I can't have scanned you can't have scanned he can't have scanned we can't have scanned you can't have scanned they can't have scanned
Perfeito com V-ing
I can't have been scanning you can't have been scanning he can't have been scanning we can't have been scanning you can't have been scanning they can't have been scanning
Forma interrogativa
Forma simple
can I scan? can you scan? can he scan? can we scan? can you scan? can they scan?
Forma com V-ing
can I be scanning? can you be scanning? can he be scanning? can we be scanning? can you be scanning? can they be scanning?
Perfeito
can I have scanned? can you have scanned? can he have scanned? can we have scanned? can you have scanned? can they have scanned?
Perfeito com V-ing
can I have been scanning? can you have been scanning? can he have been scanning? can we have been scanning? can you have been scanning? can they have been scanning?
Forma interro-Negação
Forma simple
can't I scan? can't you scan? can't he scan? can't we scan? can't you scan? can't they scan?
Forma com V-ing
can't I be scanning? can't you be scanning? can't he be scanning? can't we be scanning? can't you be scanning? can't they be scanning?
Perfeito
can't I have scanned? can't you have scanned? can't he have scanned? can't we have scanned? can't you have scanned? can't they have scanned?
Perfeito com V-ing
can't I have been scanning? can't you have been scanning? can't he have been scanning? can't we have been scanning? can't you have been scanning? can't they have been scanning?