must roar
Regular verb: roar - roared- roared

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must roar
you must roar
she must roar
we must roar
you must roar
they must roar 	I must be roaring
you must be roaring
she must be roaring
we must be roaring
you must be roaring
they must be roaring	I must have roared
you must have roared
she must have roared
we must have roared
you must have roared
they must have roared	I must have been roaring
you must have been roaring
she must have been roaring
we must have been roaring
you must have been roaring
they must have been roaring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't roar
you mustn't roar
she mustn't roar
we mustn't roar
you mustn't roar
they mustn't roar 	I mustn't be roaring
you mustn't be roaring
she mustn't be roaring
we mustn't be roaring
you mustn't be roaring
they mustn't be roaring	I mustn't have roared
you mustn't have roared
she mustn't have roared
we mustn't have roared
you mustn't have roared
they mustn't have roared	I mustn't have been roaring
you mustn't have been roaring
she mustn't have been roaring
we mustn't have been roaring
you mustn't have been roaring
they mustn't have been roaring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I roar?
must you roar?
must she roar?
must we roar?
must you roar?
must they roar? 	must I be roaring?
must you be roaring?
must she be roaring?
must we be roaring?
must you be roaring?
must they be roaring? 	must I have roared?
must you have roared?
must she have roared?
must we have roared?
must you have roared?
must they have roared? 	must I have been roaring?
must you have been roaring?
must she have been roaring?
must we have been roaring?
must you have been roaring?
must they have been roaring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I roar?
mustn't you roar?
mustn't she roar?
mustn't we roar?
mustn't you roar?
mustn't they roar? 	mustn't I be roaring?
mustn't you be roaring?
mustn't she be roaring?
mustn't we be roaring?
mustn't you be roaring?
mustn't they be roaring? 	mustn't I have roared?
mustn't you have roared?
mustn't she have roared?
mustn't we have roared?
mustn't you have roared?
mustn't they have roared? 	mustn't I have been roaring?
mustn't you have been roaring?
mustn't she have been roaring?
mustn't we have been roaring?
mustn't you have been roaring?
mustn't they have been roaring?