must go
Verbo irregular: go - went- gone

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must go
you must go
he must go
we must go
you must go
they must go 	I must be going
you must be going
he must be going
we must be going
you must be going
they must be going	I must have gone
you must have gone
he must have gone
we must have gone
you must have gone
they must have gone	I must have been going
you must have been going
he must have been going
we must have been going
you must have been going
they must have been going	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't go
you mustn't go
he mustn't go
we mustn't go
you mustn't go
they mustn't go 	I mustn't be going
you mustn't be going
he mustn't be going
we mustn't be going
you mustn't be going
they mustn't be going	I mustn't have gone
you mustn't have gone
he mustn't have gone
we mustn't have gone
you mustn't have gone
they mustn't have gone	I mustn't have been going
you mustn't have been going
he mustn't have been going
we mustn't have been going
you mustn't have been going
they mustn't have been going	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I go?
must you go?
must he go?
must we go?
must you go?
must they go? 	must I be going?
must you be going?
must he be going?
must we be going?
must you be going?
must they be going? 	must I have gone?
must you have gone?
must he have gone?
must we have gone?
must you have gone?
must they have gone? 	must I have been going?
must you have been going?
must he have been going?
must we have been going?
must you have been going?
must they have been going? 	

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