I can sneak you can sneak she can sneak we can sneak you can sneak they can sneak
Forma con V-ing
I can be sneaking you can be sneaking she can be sneaking we can be sneaking you can be sneaking they can be sneaking
Perfecto
I can have snuck you can have snuck she can have snuck we can have snuck you can have snuck they can have snuck
Perfecto con V-ing
I can have been sneaking you can have been sneaking she can have been sneaking we can have been sneaking you can have been sneaking they can have been sneaking
Negación
Forma simple
I can't sneak you can't sneak she can't sneak we can't sneak you can't sneak they can't sneak
Forma con V-ing
I can't be sneaking you can't be sneaking she can't be sneaking we can't be sneaking you can't be sneaking they can't be sneaking
Perfecto
I can't have snuck you can't have snuck she can't have snuck we can't have snuck you can't have snuck they can't have snuck
Perfecto con V-ing
I can't have been sneaking you can't have been sneaking she can't have been sneaking we can't have been sneaking you can't have been sneaking they can't have been sneaking
Forma interrogativa
Forma simple
can I sneak? can you sneak? can she sneak? can we sneak? can you sneak? can they sneak?
Forma con V-ing
can I be sneaking? can you be sneaking? can she be sneaking? can we be sneaking? can you be sneaking? can they be sneaking?
Perfecto
can I have snuck? can you have snuck? can she have snuck? can we have snuck? can you have snuck? can they have snuck?
Perfecto con V-ing
can I have been sneaking? can you have been sneaking? can she have been sneaking? can we have been sneaking? can you have been sneaking? can they have been sneaking?
Forma interro-negativa
Forma simple
can't I sneak? can't you sneak? can't she sneak? can't we sneak? can't you sneak? can't they sneak?
Forma con V-ing
can't I be sneaking? can't you be sneaking? can't she be sneaking? can't we be sneaking? can't you be sneaking? can't they be sneaking?
Perfecto
can't I have snuck? can't you have snuck? can't she have snuck? can't we have snuck? can't you have snuck? can't they have snuck?
Perfecto con V-ing
can't I have been sneaking? can't you have been sneaking? can't she have been sneaking? can't we have been sneaking? can't you have been sneaking? can't they have been sneaking?