must stare
Verbo regular: stare - stared- stared

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must stare
you must stare
she must stare
we must stare
you must stare
they must stare 	I must be staring
you must be staring
she must be staring
we must be staring
you must be staring
they must be staring	I must have stared
you must have stared
she must have stared
we must have stared
you must have stared
they must have stared	I must have been staring
you must have been staring
she must have been staring
we must have been staring
you must have been staring
they must have been staring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't stare
you mustn't stare
she mustn't stare
we mustn't stare
you mustn't stare
they mustn't stare 	I mustn't be staring
you mustn't be staring
she mustn't be staring
we mustn't be staring
you mustn't be staring
they mustn't be staring	I mustn't have stared
you mustn't have stared
she mustn't have stared
we mustn't have stared
you mustn't have stared
they mustn't have stared	I mustn't have been staring
you mustn't have been staring
she mustn't have been staring
we mustn't have been staring
you mustn't have been staring
they mustn't have been staring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I stare?
must you stare?
must she stare?
must we stare?
must you stare?
must they stare? 	must I be staring?
must you be staring?
must she be staring?
must we be staring?
must you be staring?
must they be staring? 	must I have stared?
must you have stared?
must she have stared?
must we have stared?
must you have stared?
must they have stared? 	must I have been staring?
must you have been staring?
must she have been staring?
must we have been staring?
must you have been staring?
must they have been staring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I stare?
mustn't you stare?
mustn't she stare?
mustn't we stare?
mustn't you stare?
mustn't they stare? 	mustn't I be staring?
mustn't you be staring?
mustn't she be staring?
mustn't we be staring?
mustn't you be staring?
mustn't they be staring? 	mustn't I have stared?
mustn't you have stared?
mustn't she have stared?
mustn't we have stared?
mustn't you have stared?
mustn't they have stared? 	mustn't I have been staring?
mustn't you have been staring?
mustn't she have been staring?
mustn't we have been staring?
mustn't you have been staring?
mustn't they have been staring?