should sit
Verbo irregular: sit - sat- sat

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd sit
you'd sit
he'd sit
we'd sit
you'd sit
they'd sit 	I'd be sitting
you'd be sitting
he'd be sitting
we'd be sitting
you'd be sitting
they'd be sitting	I should've sat
you should've sat
he should've sat
we should've sat
you should've sat
they should've sat	I should've been sitting
you should've been sitting
he should've been sitting
we should've been sitting
you should've been sitting
they should've been sitting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't sit
you shouldn't sit
he shouldn't sit
we shouldn't sit
you shouldn't sit
they shouldn't sit 	I shouldn't be sitting
you shouldn't be sitting
he shouldn't be sitting
we shouldn't be sitting
you shouldn't be sitting
they shouldn't be sitting	I shouldn't have sat
you shouldn't have sat
he shouldn't have sat
we shouldn't have sat
you shouldn't have sat
they shouldn't have sat	I shouldn't have been sitting
you shouldn't have been sitting
he shouldn't have been sitting
we shouldn't have been sitting
you shouldn't have been sitting
they shouldn't have been sitting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I sit?
should you sit?
should he sit?
should we sit?
should you sit?
should they sit? 	should I be sitting?
should you be sitting?
should he be sitting?
should we be sitting?
should you be sitting?
should they be sitting? 	should I have sat?
should you have sat?
should he have sat?
should we have sat?
should you have sat?
should they have sat? 	should I have been sitting?
should you have been sitting?
should he have been sitting?
should we have been sitting?
should you have been sitting?
should they have been sitting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I sit?
shouldn't you sit?
shouldn't he sit?
shouldn't we sit?
shouldn't you sit?
shouldn't they sit? 	shouldn't I be sitting?
shouldn't you be sitting?
shouldn't he be sitting?
shouldn't we be sitting?
shouldn't you be sitting?
shouldn't they be sitting? 	shouldn't I have sat?
shouldn't you have sat?
shouldn't he have sat?
shouldn't we have sat?
shouldn't you have sat?
shouldn't they have sat? 	shouldn't I have been sitting?
shouldn't you have been sitting?
shouldn't he have been sitting?
shouldn't we have been sitting?
shouldn't you have been sitting?
shouldn't they have been sitting?