I can sleep you can sleep he can sleep we can sleep you can sleep they can sleep
Forma con V-ing
I can be sleeping you can be sleeping he can be sleeping we can be sleeping you can be sleeping they can be sleeping
Perfetto
I can have slept you can have slept he can have slept we can have slept you can have slept they can have slept
Perfetto con V-ing
I can have been sleeping you can have been sleeping he can have been sleeping we can have been sleeping you can have been sleeping they can have been sleeping
Negazione
Forma semplice
I cannot sleep you cannot sleep he cannot sleep we cannot sleep you cannot sleep they cannot sleep
Forma con V-ing
I cannot be sleeping you cannot be sleeping he cannot be sleeping we cannot be sleeping you cannot be sleeping they cannot be sleeping
Perfetto
I cannot have slept you cannot have slept he cannot have slept we cannot have slept you cannot have slept they cannot have slept
Perfetto con V-ing
I cannot have been sleeping you cannot have been sleeping he cannot have been sleeping we cannot have been sleeping you cannot have been sleeping they cannot have been sleeping
Forma interrogativa
Forma semplice
can I sleep? can you sleep? can he sleep? can we sleep? can you sleep? can they sleep?
Forma con V-ing
can I be sleeping? can you be sleeping? can he be sleeping? can we be sleeping? can you be sleeping? can they be sleeping?
Perfetto
can I have slept? can you have slept? can he have slept? can we have slept? can you have slept? can they have slept?
Perfetto con V-ing
can I have been sleeping? can you have been sleeping? can he have been sleeping? can we have been sleeping? can you have been sleeping? can they have been sleeping?
Forma interro-negativa
Forma semplice
can I not sleep? can you not sleep? can he not sleep? can we not sleep? can you not sleep? can they not sleep?
Forma con V-ing
can I not be sleeping? can you not be sleeping? can he not be sleeping? can we not be sleeping? can you not be sleeping? can they not be sleeping?
Perfetto
can I not have slept? can you not have slept? can he not have slept? can we not have slept? can you not have slept? can they not have slept?
Perfetto con V-ing
can I not have been sleeping? can you not have been sleeping? can he not have been sleeping? can we not have been sleeping? can you not have been sleeping? can they not have been sleeping?