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 must not roar
you must not roar
she must not roar
we must not roar
you must not roar
they must not roar 	I must not be roaring
you must not be roaring
she must not be roaring
we must not be roaring
you must not be roaring
they must not be roaring	I must not have roared
you must not have roared
she must not have roared
we must not have roared
you must not have roared
they must not have roared	I must not have been roaring
you must not have been roaring
she must not have been roaring
we must not have been roaring
you must not have been roaring
they must not 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 	
must I not roar?
must you not roar?
must she not roar?
must we not roar?
must you not roar?
must they not roar? 	must I not be roaring?
must you not be roaring?
must she not be roaring?
must we not be roaring?
must you not be roaring?
must they not be roaring? 	must I not have roared?
must you not have roared?
must she not have roared?
must we not have roared?
must you not have roared?
must they not have roared? 	must I not have been roaring?
must you not have been roaring?
must she not have been roaring?
must we not have been roaring?
must you not have been roaring?
must they not have been roaring?