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