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