can span
Verbo regular: span - spanned- spanned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can span
you can span
he can span
we can span
you can span
they can span 	I can be spanning
you can be spanning
he can be spanning
we can be spanning
you can be spanning
they can be spanning	I can have spanned
you can have spanned
he can have spanned
we can have spanned
you can have spanned
they can have spanned	I can have been spanning
you can have been spanning
he can have been spanning
we can have been spanning
you can have been spanning
they can have been spanning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot span
you cannot span
he cannot span
we cannot span
you cannot span
they cannot span 	I cannot be spanning
you cannot be spanning
he cannot be spanning
we cannot be spanning
you cannot be spanning
they cannot be spanning	I cannot have spanned
you cannot have spanned
he cannot have spanned
we cannot have spanned
you cannot have spanned
they cannot have spanned	I cannot have been spanning
you cannot have been spanning
he cannot have been spanning
we cannot have been spanning
you cannot have been spanning
they cannot have been spanning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I span?
can you span?
can he span?
can we span?
can you span?
can they span? 	can I be spanning?
can you be spanning?
can he be spanning?
can we be spanning?
can you be spanning?
can they be spanning? 	can I have spanned?
can you have spanned?
can he have spanned?
can we have spanned?
can you have spanned?
can they have spanned? 	can I have been spanning?
can you have been spanning?
can he have been spanning?
can we have been spanning?
can you have been spanning?
can they have been spanning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not span?
can you not span?
can he not span?
can we not span?
can you not span?
can they not span? 	can I not be spanning?
can you not be spanning?
can he not be spanning?
can we not be spanning?
can you not be spanning?
can they not be spanning? 	can I not have spanned?
can you not have spanned?
can he not have spanned?
can we not have spanned?
can you not have spanned?
can they not have spanned? 	can I not have been spanning?
can you not have been spanning?
can he not have been spanning?
can we not have been spanning?
can you not have been spanning?
can they not have been spanning?