Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can roar roar you can roar roar he can roar roar we can roar roar you can roar roar they can roar roar
V-ing form
I can be roar roaring you can be roar roaring he can be roar roaring we can be roar roaring you can be roar roaring they can be roar roaring
Perfect
I can have roar roared you can have roar roared he can have roar roared we can have roar roared you can have roar roared they can have roar roared
V-ing perfect
I can have been roar roaring you can have been roar roaring he can have been roar roaring we can have been roar roaring you can have been roar roaring they can have been roar roaring
Negation
Simple form
I can't roar roar you can't roar roar he can't roar roar we can't roar roar you can't roar roar they can't roar roar
V-ing form
I can't be roar roaring you can't be roar roaring he can't be roar roaring we can't be roar roaring you can't be roar roaring they can't be roar roaring
Perfect
I can't have roar roared you can't have roar roared he can't have roar roared we can't have roar roared you can't have roar roared they can't have roar roared
V-ing perfect
I can't have been roar roaring you can't have been roar roaring he can't have been roar roaring we can't have been roar roaring you can't have been roar roaring they can't have been roar roaring
Interrogative form
Simple form
can I roar roar? can you roar roar? can he roar roar? can we roar roar? can you roar roar? can they roar roar?
V-ing form
can I be roar roaring? can you be roar roaring? can he be roar roaring? can we be roar roaring? can you be roar roaring? can they be roar roaring?
Perfect
can I have roar roared? can you have roar roared? can he have roar roared? can we have roar roared? can you have roar roared? can they have roar roared?
V-ing perfect
can I have been roar roaring? can you have been roar roaring? can he have been roar roaring? can we have been roar roaring? can you have been roar roaring? can they have been roar roaring?
Interro-negative form
Simple form
can't I roar roar? can't you roar roar? can't he roar roar? can't we roar roar? can't you roar roar? can't they roar roar?
V-ing form
can't I be roar roaring? can't you be roar roaring? can't he be roar roaring? can't we be roar roaring? can't you be roar roaring? can't they be roar roaring?
Perfect
can't I have roar roared? can't you have roar roared? can't he have roar roared? can't we have roar roared? can't you have roar roared? can't they have roar roared?
V-ing perfect
can't I have been roar roaring? can't you have been roar roaring? can't he have been roar roaring? can't we have been roar roaring? can't you have been roar roaring? can't they have been roar roaring?