should nab
Verbo regular: nab - nabbed- nabbed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should nab
you should nab
he should nab
we should nab
you should nab
they should nab 	I should be nabbing
you should be nabbing
he should be nabbing
we should be nabbing
you should be nabbing
they should be nabbing	I should have nabbed
you should have nabbed
he should have nabbed
we should have nabbed
you should have nabbed
they should have nabbed	I should have been nabbing
you should have been nabbing
he should have been nabbing
we should have been nabbing
you should have been nabbing
they should have been nabbing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not nab
you should not nab
he should not nab
we should not nab
you should not nab
they should not nab 	I should not be nabbing
you should not be nabbing
he should not be nabbing
we should not be nabbing
you should not be nabbing
they should not be nabbing	I should not have nabbed
you should not have nabbed
he should not have nabbed
we should not have nabbed
you should not have nabbed
they should not have nabbed	I should not have been nabbing
you should not have been nabbing
he should not have been nabbing
we should not have been nabbing
you should not have been nabbing
they should not have been nabbing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I nab?
should you nab?
should he nab?
should we nab?
should you nab?
should they nab? 	should I be nabbing?
should you be nabbing?
should he be nabbing?
should we be nabbing?
should you be nabbing?
should they be nabbing? 	should I have nabbed?
should you have nabbed?
should he have nabbed?
should we have nabbed?
should you have nabbed?
should they have nabbed? 	should I have been nabbing?
should you have been nabbing?
should he have been nabbing?
should we have been nabbing?
should you have been nabbing?
should they have been nabbing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not nab?
should you not nab?
should he not nab?
should we not nab?
should you not nab?
should they not nab? 	should I not be nabbing?
should you not be nabbing?
should he not be nabbing?
should we not be nabbing?
should you not be nabbing?
should they not be nabbing? 	should I not have nabbed?
should you not have nabbed?
should he not have nabbed?
should we not have nabbed?
should you not have nabbed?
should they not have nabbed? 	should I not have been nabbing?
should you not have been nabbing?
should he not have been nabbing?
should we not have been nabbing?
should you not have been nabbing?
should they not have been nabbing?