must justify
Verbo regular: justify - justified- justified

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must justify
you must justify
he must justify
we must justify
you must justify
they must justify 	I must be justifying
you must be justifying
he must be justifying
we must be justifying
you must be justifying
they must be justifying	I must have justified
you must have justified
he must have justified
we must have justified
you must have justified
they must have justified	I must have been justifying
you must have been justifying
he must have been justifying
we must have been justifying
you must have been justifying
they must have been justifying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't justify
you mustn't justify
he mustn't justify
we mustn't justify
you mustn't justify
they mustn't justify 	I mustn't be justifying
you mustn't be justifying
he mustn't be justifying
we mustn't be justifying
you mustn't be justifying
they mustn't be justifying	I mustn't have justified
you mustn't have justified
he mustn't have justified
we mustn't have justified
you mustn't have justified
they mustn't have justified	I mustn't have been justifying
you mustn't have been justifying
he mustn't have been justifying
we mustn't have been justifying
you mustn't have been justifying
they mustn't have been justifying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I justify?
must you justify?
must he justify?
must we justify?
must you justify?
must they justify? 	must I be justifying?
must you be justifying?
must he be justifying?
must we be justifying?
must you be justifying?
must they be justifying? 	must I have justified?
must you have justified?
must he have justified?
must we have justified?
must you have justified?
must they have justified? 	must I have been justifying?
must you have been justifying?
must he have been justifying?
must we have been justifying?
must you have been justifying?
must they have been justifying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I justify?
mustn't you justify?
mustn't he justify?
mustn't we justify?
mustn't you justify?
mustn't they justify? 	mustn't I be justifying?
mustn't you be justifying?
mustn't he be justifying?
mustn't we be justifying?
mustn't you be justifying?
mustn't they be justifying? 	mustn't I have justified?
mustn't you have justified?
mustn't he have justified?
mustn't we have justified?
mustn't you have justified?
mustn't they have justified? 	mustn't I have been justifying?
mustn't you have been justifying?
mustn't he have been justifying?
mustn't we have been justifying?
mustn't you have been justifying?
mustn't they have been justifying?