I can scan you can scan she can scan we can scan you can scan they can scan
Forma con V-ing
I can be scanning you can be scanning she can be scanning we can be scanning you can be scanning they can be scanning
Perfecto
I can have scanned you can have scanned she can have scanned we can have scanned you can have scanned they can have scanned
Perfecto con V-ing
I can have been scanning you can have been scanning she can have been scanning we can have been scanning you can have been scanning they can have been scanning
Negación
Forma simple
I can't scan you can't scan she can't scan we can't scan you can't scan they can't scan
Forma con V-ing
I can't be scanning you can't be scanning she can't be scanning we can't be scanning you can't be scanning they can't be scanning
Perfecto
I can't have scanned you can't have scanned she can't have scanned we can't have scanned you can't have scanned they can't have scanned
Perfecto con V-ing
I can't have been scanning you can't have been scanning she 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 she scan? can we scan? can you scan? can they scan?
Forma con V-ing
can I be scanning? can you be scanning? can she be scanning? can we be scanning? can you be scanning? can they be scanning?
Perfecto
can I have scanned? can you have scanned? can she have scanned? can we have scanned? can you have scanned? can they have scanned?
Perfecto con V-ing
can I have been scanning? can you have been scanning? can she have been scanning? can we have been scanning? can you have been scanning? can they have been scanning?
Forma interro-negativa
Forma simple
can't I scan? can't you scan? can't she scan? can't we scan? can't you scan? can't they scan?
Forma con V-ing
can't I be scanning? can't you be scanning? can't she be scanning? can't we be scanning? can't you be scanning? can't they be scanning?
Perfecto
can't I have scanned? can't you have scanned? can't she have scanned? can't we have scanned? can't you have scanned? can't they have scanned?
Perfecto con V-ing
can't I have been scanning? can't you have been scanning? can't she have been scanning? can't we have been scanning? can't you have been scanning? can't they have been scanning?