must scare
Verbo regular: scare - scared- scared

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must scare
you must scare
he must scare
we must scare
you must scare
they must scare 	I must be scaring
you must be scaring
he must be scaring
we must be scaring
you must be scaring
they must be scaring	I must have scared
you must have scared
he must have scared
we must have scared
you must have scared
they must have scared	I must have been scaring
you must have been scaring
he must have been scaring
we must have been scaring
you must have been scaring
they must have been scaring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't scare
you mustn't scare
he mustn't scare
we mustn't scare
you mustn't scare
they mustn't scare 	I mustn't be scaring
you mustn't be scaring
he mustn't be scaring
we mustn't be scaring
you mustn't be scaring
they mustn't be scaring	I mustn't have scared
you mustn't have scared
he mustn't have scared
we mustn't have scared
you mustn't have scared
they mustn't have scared	I mustn't have been scaring
you mustn't have been scaring
he mustn't have been scaring
we mustn't have been scaring
you mustn't have been scaring
they mustn't have been scaring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I scare?
must you scare?
must he scare?
must we scare?
must you scare?
must they scare? 	must I be scaring?
must you be scaring?
must he be scaring?
must we be scaring?
must you be scaring?
must they be scaring? 	must I have scared?
must you have scared?
must he have scared?
must we have scared?
must you have scared?
must they have scared? 	must I have been scaring?
must you have been scaring?
must he have been scaring?
must we have been scaring?
must you have been scaring?
must they have been scaring? 	

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