must have
Verbo irregular: have - had- had

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must have
you must have
he must have
we must have
you must have
they must have 	I must be having
you must be having
he must be having
we must be having
you must be having
they must be having	I must have had
you must have had
he must have had
we must have had
you must have had
they must have had	I must have been having
you must have been having
he must have been having
we must have been having
you must have been having
they must have been having	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't have
you mustn't have
he mustn't have
we mustn't have
you mustn't have
they mustn't have 	I mustn't be having
you mustn't be having
he mustn't be having
we mustn't be having
you mustn't be having
they mustn't be having	I mustn't have had
you mustn't have had
he mustn't have had
we mustn't have had
you mustn't have had
they mustn't have had	I mustn't have been having
you mustn't have been having
he mustn't have been having
we mustn't have been having
you mustn't have been having
they mustn't have been having	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I have?
must you have?
must he have?
must we have?
must you have?
must they have? 	must I be having?
must you be having?
must he be having?
must we be having?
must you be having?
must they be having? 	must I have had?
must you have had?
must he have had?
must we have had?
must you have had?
must they have had? 	must I have been having?
must you have been having?
must he have been having?
must we have been having?
must you have been having?
must they have been having? 	

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