English verb conjugation
MUST SMOKE

Regular verb: smoke - smoked - smoked

Affirmation

Simple form	V-ing form
I must smoke you must smoke he must smoke we must smoke you must smoke they must smoke	I must be smoking you must be smoking he must be smoking we must be smoking you must be smoking they must be smoking
Perfect	V-ing perfect
I must have smoked you must have smoked he must have smoked we must have smoked you must have smoked they must have smoked	I must have been smoking you must have been smoking he must have been smoking we must have been smoking you must have been smoking they must have been smoking

Negation

Simple form	V-ing form
I must not smoke you must not smoke he must not smoke we must not smoke you must not smoke they must not smoke	I must not be smoking you must not be smoking he must not be smoking we must not be smoking you must not be smoking they must not be smoking
Perfect	V-ing perfect
I must not have smoked you must not have smoked he must not have smoked we must not have smoked you must not have smoked they must not have smoked	I must not have been smoking you must not have been smoking he must not have been smoking we must not have been smoking you must not have been smoking they must not have been smoking

Interrogative form

Simple form	V-ing form
must I smoke? must you smoke? must he smoke? must we smoke? must you smoke? must they smoke?	must I be smoking? must you be smoking? must he be smoking? must we be smoking? must you be smoking? must they be smoking?
Perfect	V-ing perfect
must I have smoked? must you have smoked? must he have smoked? must we have smoked? must you have smoked? must they have smoked?	must I have been smoking? must you have been smoking? must he have been smoking? must we have been smoking? must you have been smoking? must they have been smoking?

Interro-negative form

Simple form	V-ing form
must I not smoke? must you not smoke? must he not smoke? must we not smoke? must you not smoke? must they not smoke?	must I not be smoking? must you not be smoking? must he not be smoking? must we not be smoking? must you not be smoking? must they not be smoking?
Perfect	V-ing perfect
must I not have smoked? must you not have smoked? must he not have smoked? must we not have smoked? must you not have smoked? must they not have smoked?	must I not have been smoking? must you not have been smoking? must he not have been smoking? must we not have been smoking? must you not have been smoking? must they not have been smoking?