Conjugación del verbo inglés
MUST SPAN

Verbo regular: span - spanned - spanned

Afirmación

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

Negación

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

Forma interrogativa

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

Forma interro-negativa

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