should sneak
Verbo irregular: sneak - sneaked, snuck- snuck

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should sneak
you should sneak
he should sneak
we should sneak
you should sneak
they should sneak 	I should be sneaking
you should be sneaking
he should be sneaking
we should be sneaking
you should be sneaking
they should be sneaking	I should have snuck
you should have snuck
he should have snuck
we should have snuck
you should have snuck
they should have snuck	I should have been sneaking
you should have been sneaking
he should have been sneaking
we should have been sneaking
you should have been sneaking
they should have been sneaking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not sneak
you should not sneak
he should not sneak
we should not sneak
you should not sneak
they should not sneak 	I should not be sneaking
you should not be sneaking
he should not be sneaking
we should not be sneaking
you should not be sneaking
they should not be sneaking	I should not have snuck
you should not have snuck
he should not have snuck
we should not have snuck
you should not have snuck
they should not have snuck	I should not have been sneaking
you should not have been sneaking
he should not have been sneaking
we should not have been sneaking
you should not have been sneaking
they should not have been sneaking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I sneak?
should you sneak?
should he sneak?
should we sneak?
should you sneak?
should they sneak? 	should I be sneaking?
should you be sneaking?
should he be sneaking?
should we be sneaking?
should you be sneaking?
should they be sneaking? 	should I have snuck?
should you have snuck?
should he have snuck?
should we have snuck?
should you have snuck?
should they have snuck? 	should I have been sneaking?
should you have been sneaking?
should he have been sneaking?
should we have been sneaking?
should you have been sneaking?
should they have been sneaking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not sneak?
should you not sneak?
should he not sneak?
should we not sneak?
should you not sneak?
should they not sneak? 	should I not be sneaking?
should you not be sneaking?
should he not be sneaking?
should we not be sneaking?
should you not be sneaking?
should they not be sneaking? 	should I not have snuck?
should you not have snuck?
should he not have snuck?
should we not have snuck?
should you not have snuck?
should they not have snuck? 	should I not have been sneaking?
should you not have been sneaking?
should he not have been sneaking?
should we not have been sneaking?
should you not have been sneaking?
should they not have been sneaking?