Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must grow grow you must grow grow he must grow grow we must grow grow you must grow grow they must grow grow
V-ing form
I must be grow growing you must be grow growing he must be grow growing we must be grow growing you must be grow growing they must be grow growing
Perfect
I must have grow growed you must have grow growed he must have grow growed we must have grow growed you must have grow growed they must have grow growed
V-ing perfect
I must have been grow growing you must have been grow growing he must have been grow growing we must have been grow growing you must have been grow growing they must have been grow growing
Negation
Simple form
I must not grow grow you must not grow grow he must not grow grow we must not grow grow you must not grow grow they must not grow grow
V-ing form
I must not be grow growing you must not be grow growing he must not be grow growing we must not be grow growing you must not be grow growing they must not be grow growing
Perfect
I must not have grow growed you must not have grow growed he must not have grow growed we must not have grow growed you must not have grow growed they must not have grow growed
V-ing perfect
I must not have been grow growing you must not have been grow growing he must not have been grow growing we must not have been grow growing you must not have been grow growing they must not have been grow growing
Interrogative form
Simple form
must I grow grow? must you grow grow? must he grow grow? must we grow grow? must you grow grow? must they grow grow?
V-ing form
must I be grow growing? must you be grow growing? must he be grow growing? must we be grow growing? must you be grow growing? must they be grow growing?
Perfect
must I have grow growed? must you have grow growed? must he have grow growed? must we have grow growed? must you have grow growed? must they have grow growed?
V-ing perfect
must I have been grow growing? must you have been grow growing? must he have been grow growing? must we have been grow growing? must you have been grow growing? must they have been grow growing?
Interro-negative form
Simple form
must I not grow grow? must you not grow grow? must he not grow grow? must we not grow grow? must you not grow grow? must they not grow grow?
V-ing form
must I not be grow growing? must you not be grow growing? must he not be grow growing? must we not be grow growing? must you not be grow growing? must they not be grow growing?
Perfect
must I not have grow growed? must you not have grow growed? must he not have grow growed? must we not have grow growed? must you not have grow growed? must they not have grow growed?
V-ing perfect
must I not have been grow growing? must you not have been grow growing? must he not have been grow growing? must we not have been grow growing? must you not have been grow growing? must they not have been grow growing?