must visa
Verbo regular: visa - visaed- visaed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must visa
you must visa
he must visa
we must visa
you must visa
they must visa 	I must be visaing
you must be visaing
he must be visaing
we must be visaing
you must be visaing
they must be visaing	I must have visaed
you must have visaed
he must have visaed
we must have visaed
you must have visaed
they must have visaed	I must have been visaing
you must have been visaing
he must have been visaing
we must have been visaing
you must have been visaing
they must have been visaing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't visa
you mustn't visa
he mustn't visa
we mustn't visa
you mustn't visa
they mustn't visa 	I mustn't be visaing
you mustn't be visaing
he mustn't be visaing
we mustn't be visaing
you mustn't be visaing
they mustn't be visaing	I mustn't have visaed
you mustn't have visaed
he mustn't have visaed
we mustn't have visaed
you mustn't have visaed
they mustn't have visaed	I mustn't have been visaing
you mustn't have been visaing
he mustn't have been visaing
we mustn't have been visaing
you mustn't have been visaing
they mustn't have been visaing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I visa?
must you visa?
must he visa?
must we visa?
must you visa?
must they visa? 	must I be visaing?
must you be visaing?
must he be visaing?
must we be visaing?
must you be visaing?
must they be visaing? 	must I have visaed?
must you have visaed?
must he have visaed?
must we have visaed?
must you have visaed?
must they have visaed? 	must I have been visaing?
must you have been visaing?
must he have been visaing?
must we have been visaing?
must you have been visaing?
must they have been visaing? 	

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