must sort
Verbo regular: sort - sorted- sorted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must sort
you must sort
she must sort
we must sort
you must sort
they must sort 	I must be sorting
you must be sorting
she must be sorting
we must be sorting
you must be sorting
they must be sorting	I must have sorted
you must have sorted
she must have sorted
we must have sorted
you must have sorted
they must have sorted	I must have been sorting
you must have been sorting
she must have been sorting
we must have been sorting
you must have been sorting
they must have been sorting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't sort
you mustn't sort
she mustn't sort
we mustn't sort
you mustn't sort
they mustn't sort 	I mustn't be sorting
you mustn't be sorting
she mustn't be sorting
we mustn't be sorting
you mustn't be sorting
they mustn't be sorting	I mustn't have sorted
you mustn't have sorted
she mustn't have sorted
we mustn't have sorted
you mustn't have sorted
they mustn't have sorted	I mustn't have been sorting
you mustn't have been sorting
she mustn't have been sorting
we mustn't have been sorting
you mustn't have been sorting
they mustn't have been sorting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I sort?
must you sort?
must she sort?
must we sort?
must you sort?
must they sort? 	must I be sorting?
must you be sorting?
must she be sorting?
must we be sorting?
must you be sorting?
must they be sorting? 	must I have sorted?
must you have sorted?
must she have sorted?
must we have sorted?
must you have sorted?
must they have sorted? 	must I have been sorting?
must you have been sorting?
must she have been sorting?
must we have been sorting?
must you have been sorting?
must they have been sorting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I sort?
mustn't you sort?
mustn't she sort?
mustn't we sort?
mustn't you sort?
mustn't they sort? 	mustn't I be sorting?
mustn't you be sorting?
mustn't she be sorting?
mustn't we be sorting?
mustn't you be sorting?
mustn't they be sorting? 	mustn't I have sorted?
mustn't you have sorted?
mustn't she have sorted?
mustn't we have sorted?
mustn't you have sorted?
mustn't they have sorted? 	mustn't I have been sorting?
mustn't you have been sorting?
mustn't she have been sorting?
mustn't we have been sorting?
mustn't you have been sorting?
mustn't they have been sorting?