should span
Verbo regular: span - spanned- spanned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should span
you should span
he should span
we should span
you should span
they should span 	I should be spanning
you should be spanning
he should be spanning
we should be spanning
you should be spanning
they should be spanning	I should have spanned
you should have spanned
he should have spanned
we should have spanned
you should have spanned
they should have spanned	I should have been spanning
you should have been spanning
he should have been spanning
we should have been spanning
you should have been spanning
they should have been spanning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not span
you should not span
he should not span
we should not span
you should not span
they should not span 	I should not be spanning
you should not be spanning
he should not be spanning
we should not be spanning
you should not be spanning
they should not be spanning	I should not have spanned
you should not have spanned
he should not have spanned
we should not have spanned
you should not have spanned
they should not have spanned	I should not have been spanning
you should not have been spanning
he should not have been spanning
we should not have been spanning
you should not have been spanning
they should not have been spanning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I span?
should you span?
should he span?
should we span?
should you span?
should they span? 	should I be spanning?
should you be spanning?
should he be spanning?
should we be spanning?
should you be spanning?
should they be spanning? 	should I have spanned?
should you have spanned?
should he have spanned?
should we have spanned?
should you have spanned?
should they have spanned? 	should I have been spanning?
should you have been spanning?
should he have been spanning?
should we have been spanning?
should you have been spanning?
should they have been spanning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not span?
should you not span?
should he not span?
should we not span?
should you not span?
should they not span? 	should I not be spanning?
should you not be spanning?
should he not be spanning?
should we not be spanning?
should you not be spanning?
should they not be spanning? 	should I not have spanned?
should you not have spanned?
should he not have spanned?
should we not have spanned?
should you not have spanned?
should they not have spanned? 	should I not have been spanning?
should you not have been spanning?
should he not have been spanning?
should we not have been spanning?
should you not have been spanning?
should they not have been spanning?