should sand
Verbo regular: sand - sanded- sanded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should sand
you should sand
he should sand
we should sand
you should sand
they should sand 	I should be sanding
you should be sanding
he should be sanding
we should be sanding
you should be sanding
they should be sanding	I should have sanded
you should have sanded
he should have sanded
we should have sanded
you should have sanded
they should have sanded	I should have been sanding
you should have been sanding
he should have been sanding
we should have been sanding
you should have been sanding
they should have been sanding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not sand
you should not sand
he should not sand
we should not sand
you should not sand
they should not sand 	I should not be sanding
you should not be sanding
he should not be sanding
we should not be sanding
you should not be sanding
they should not be sanding	I should not have sanded
you should not have sanded
he should not have sanded
we should not have sanded
you should not have sanded
they should not have sanded	I should not have been sanding
you should not have been sanding
he should not have been sanding
we should not have been sanding
you should not have been sanding
they should not have been sanding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I sand?
should you sand?
should he sand?
should we sand?
should you sand?
should they sand? 	should I be sanding?
should you be sanding?
should he be sanding?
should we be sanding?
should you be sanding?
should they be sanding? 	should I have sanded?
should you have sanded?
should he have sanded?
should we have sanded?
should you have sanded?
should they have sanded? 	should I have been sanding?
should you have been sanding?
should he have been sanding?
should we have been sanding?
should you have been sanding?
should they have been sanding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not sand?
should you not sand?
should he not sand?
should we not sand?
should you not sand?
should they not sand? 	should I not be sanding?
should you not be sanding?
should he not be sanding?
should we not be sanding?
should you not be sanding?
should they not be sanding? 	should I not have sanded?
should you not have sanded?
should he not have sanded?
should we not have sanded?
should you not have sanded?
should they not have sanded? 	should I not have been sanding?
should you not have been sanding?
should he not have been sanding?
should we not have been sanding?
should you not have been sanding?
should they not have been sanding?