must outroar
Regular verb: outroar - outroared- outroared

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must outroar
you must outroar
he must outroar
we must outroar
you must outroar
they must outroar 	I must be outroaring
you must be outroaring
he must be outroaring
we must be outroaring
you must be outroaring
they must be outroaring	I must have outroared
you must have outroared
he must have outroared
we must have outroared
you must have outroared
they must have outroared	I must have been outroaring
you must have been outroaring
he must have been outroaring
we must have been outroaring
you must have been outroaring
they must have been outroaring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't outroar
you mustn't outroar
he mustn't outroar
we mustn't outroar
you mustn't outroar
they mustn't outroar 	I mustn't be outroaring
you mustn't be outroaring
he mustn't be outroaring
we mustn't be outroaring
you mustn't be outroaring
they mustn't be outroaring	I mustn't have outroared
you mustn't have outroared
he mustn't have outroared
we mustn't have outroared
you mustn't have outroared
they mustn't have outroared	I mustn't have been outroaring
you mustn't have been outroaring
he mustn't have been outroaring
we mustn't have been outroaring
you mustn't have been outroaring
they mustn't have been outroaring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I outroar?
must you outroar?
must he outroar?
must we outroar?
must you outroar?
must they outroar? 	must I be outroaring?
must you be outroaring?
must he be outroaring?
must we be outroaring?
must you be outroaring?
must they be outroaring? 	must I have outroared?
must you have outroared?
must he have outroared?
must we have outroared?
must you have outroared?
must they have outroared? 	must I have been outroaring?
must you have been outroaring?
must he have been outroaring?
must we have been outroaring?
must you have been outroaring?
must they have been outroaring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I outroar?
mustn't you outroar?
mustn't he outroar?
mustn't we outroar?
mustn't you outroar?
mustn't they outroar? 	mustn't I be outroaring?
mustn't you be outroaring?
mustn't he be outroaring?
mustn't we be outroaring?
mustn't you be outroaring?
mustn't they be outroaring? 	mustn't I have outroared?
mustn't you have outroared?
mustn't he have outroared?
mustn't we have outroared?
mustn't you have outroared?
mustn't they have outroared? 	mustn't I have been outroaring?
mustn't you have been outroaring?
mustn't he have been outroaring?
mustn't we have been outroaring?
mustn't you have been outroaring?
mustn't they have been outroaring?