should sin
Verbo regolare: sin - sinned- sinned

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I should sin
you should sin
he should sin
we should sin
you should sin
they should sin 	I should be sinning
you should be sinning
he should be sinning
we should be sinning
you should be sinning
they should be sinning	I should have sinned
you should have sinned
he should have sinned
we should have sinned
you should have sinned
they should have sinned	I should have been sinning
you should have been sinning
he should have been sinning
we should have been sinning
you should have been sinning
they should have been sinning	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I should not sin
you should not sin
he should not sin
we should not sin
you should not sin
they should not sin 	I should not be sinning
you should not be sinning
he should not be sinning
we should not be sinning
you should not be sinning
they should not be sinning	I should not have sinned
you should not have sinned
he should not have sinned
we should not have sinned
you should not have sinned
they should not have sinned	I should not have been sinning
you should not have been sinning
he should not have been sinning
we should not have been sinning
you should not have been sinning
they should not have been sinning	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
should I sin?
should you sin?
should he sin?
should we sin?
should you sin?
should they sin? 	should I be sinning?
should you be sinning?
should he be sinning?
should we be sinning?
should you be sinning?
should they be sinning? 	should I have sinned?
should you have sinned?
should he have sinned?
should we have sinned?
should you have sinned?
should they have sinned? 	should I have been sinning?
should you have been sinning?
should he have been sinning?
should we have been sinning?
should you have been sinning?
should they have been sinning? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
should I not sin?
should you not sin?
should he not sin?
should we not sin?
should you not sin?
should they not sin? 	should I not be sinning?
should you not be sinning?
should he not be sinning?
should we not be sinning?
should you not be sinning?
should they not be sinning? 	should I not have sinned?
should you not have sinned?
should he not have sinned?
should we not have sinned?
should you not have sinned?
should they not have sinned? 	should I not have been sinning?
should you not have been sinning?
should he not have been sinning?
should we not have been sinning?
should you not have been sinning?
should they not have been sinning?