English verb conjugation
MUST ROAR

Regular verb: roar - roared - roared

Affirmation

Simple form	V-ing form
I must roar you must roar he must roar we must roar you must roar they must roar	I must be roaring you must be roaring he must be roaring we must be roaring you must be roaring they must be roaring
Perfect	V-ing perfect
I must have roared you must have roared he 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 he 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
I must not roar you must not roar he 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 he must not be roaring we must not be roaring you must not be roaring they must not be roaring
Perfect	V-ing perfect
I must not have roared you must not have roared he 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 he 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
must I roar? must you roar? must he roar? must we roar? must you roar? must they roar?	must I be roaring? must you be roaring? must he be roaring? must we be roaring? must you be roaring? must they be roaring?
Perfect	V-ing perfect
must I have roared? must you have roared? must he 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 he 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
must I not roar? must you not roar? must he 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 he not be roaring? must we not be roaring? must you not be roaring? must they not be roaring?
Perfect	V-ing perfect
must I not have roared? must you not have roared? must he 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 he not have been roaring? must we not have been roaring? must you not have been roaring? must they not have been roaring?