I can snore you can snore he can snore we can snore you can snore they can snore
V-ing form
I can be snoring you can be snoring he can be snoring we can be snoring you can be snoring they can be snoring
Perfect
I can have snored you can have snored he can have snored we can have snored you can have snored they can have snored
V-ing perfect
I can have been snoring you can have been snoring he can have been snoring we can have been snoring you can have been snoring they can have been snoring
Negation
Simple form
I can't snore you can't snore he can't snore we can't snore you can't snore they can't snore
V-ing form
I can't be snoring you can't be snoring he can't be snoring we can't be snoring you can't be snoring they can't be snoring
Perfect
I can't have snored you can't have snored he can't have snored we can't have snored you can't have snored they can't have snored
V-ing perfect
I can't have been snoring you can't have been snoring he can't have been snoring we can't have been snoring you can't have been snoring they can't have been snoring
Interrogative form
Simple form
can I snore? can you snore? can he snore? can we snore? can you snore? can they snore?
V-ing form
can I be snoring? can you be snoring? can he be snoring? can we be snoring? can you be snoring? can they be snoring?
Perfect
can I have snored? can you have snored? can he have snored? can we have snored? can you have snored? can they have snored?
V-ing perfect
can I have been snoring? can you have been snoring? can he have been snoring? can we have been snoring? can you have been snoring? can they have been snoring?
Interro-negative form
Simple form
can't I snore? can't you snore? can't he snore? can't we snore? can't you snore? can't they snore?
V-ing form
can't I be snoring? can't you be snoring? can't he be snoring? can't we be snoring? can't you be snoring? can't they be snoring?
Perfect
can't I have snored? can't you have snored? can't he have snored? can't we have snored? can't you have snored? can't they have snored?
V-ing perfect
can't I have been snoring? can't you have been snoring? can't he have been snoring? can't we have been snoring? can't you have been snoring? can't they have been snoring?