I can sneak you can sneak she can sneak we can sneak you can sneak they can sneak
Forma com 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
Perfeito
I can have snuck you can have snuck she can have snuck we can have snuck you can have snuck they can have snuck
Perfeito com 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
Negação
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 com 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
Perfeito
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
Perfeito com 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 com 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?
Perfeito
can I have snuck? can you have snuck? can she have snuck? can we have snuck? can you have snuck? can they have snuck?
Perfeito com 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-Negação
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 com 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?
Perfeito
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?
Perfeito com 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?