I can see you can see he can see we can see you can see they can see
Forma con V-ing
I can be seeing you can be seeing he can be seeing we can be seeing you can be seeing they can be seeing
Perfetto
I can have seen you can have seen he can have seen we can have seen you can have seen they can have seen
Perfetto con V-ing
I can have been seeing you can have been seeing he can have been seeing we can have been seeing you can have been seeing they can have been seeing
Negazione
Forma semplice
I can't see you can't see he can't see we can't see you can't see they can't see
Forma con V-ing
I can't be seeing you can't be seeing he can't be seeing we can't be seeing you can't be seeing they can't be seeing
Perfetto
I can't have seen you can't have seen he can't have seen we can't have seen you can't have seen they can't have seen
Perfetto con V-ing
I can't have been seeing you can't have been seeing he can't have been seeing we can't have been seeing you can't have been seeing they can't have been seeing
Forma interrogativa
Forma semplice
can I see? can you see? can he see? can we see? can you see? can they see?
Forma con V-ing
can I be seeing? can you be seeing? can he be seeing? can we be seeing? can you be seeing? can they be seeing?
Perfetto
can I have seen? can you have seen? can he have seen? can we have seen? can you have seen? can they have seen?
Perfetto con V-ing
can I have been seeing? can you have been seeing? can he have been seeing? can we have been seeing? can you have been seeing? can they have been seeing?
Forma interro-negativa
Forma semplice
can't I see? can't you see? can't he see? can't we see? can't you see? can't they see?
Forma con V-ing
can't I be seeing? can't you be seeing? can't he be seeing? can't we be seeing? can't you be seeing? can't they be seeing?
Perfetto
can't I have seen? can't you have seen? can't he have seen? can't we have seen? can't you have seen? can't they have seen?
Perfetto con V-ing
can't I have been seeing? can't you have been seeing? can't he have been seeing? can't we have been seeing? can't you have been seeing? can't they have been seeing?