English verb conjugation
MUST EXPEL

Regular verb: expel - expelled - expelled

Affirmation

Simple form	V-ing form
I must expel you must expel he must expel we must expel you must expel they must expel	I must be expelling you must be expelling he must be expelling we must be expelling you must be expelling they must be expelling
Perfect	V-ing perfect
I must have expelled you must have expelled he must have expelled we must have expelled you must have expelled they must have expelled	I must have been expelling you must have been expelling he must have been expelling we must have been expelling you must have been expelling they must have been expelling

Negation

Simple form	V-ing form
I mustn't expel you mustn't expel he mustn't expel we mustn't expel you mustn't expel they mustn't expel	I mustn't be expelling you mustn't be expelling he mustn't be expelling we mustn't be expelling you mustn't be expelling they mustn't be expelling
Perfect	V-ing perfect
I mustn't have expelled you mustn't have expelled he mustn't have expelled we mustn't have expelled you mustn't have expelled they mustn't have expelled	I mustn't have been expelling you mustn't have been expelling he mustn't have been expelling we mustn't have been expelling you mustn't have been expelling they mustn't have been expelling

Interrogative form

Simple form	V-ing form
must I expel? must you expel? must he expel? must we expel? must you expel? must they expel?	must I be expelling? must you be expelling? must he be expelling? must we be expelling? must you be expelling? must they be expelling?
Perfect	V-ing perfect
must I have expelled? must you have expelled? must he have expelled? must we have expelled? must you have expelled? must they have expelled?	must I have been expelling? must you have been expelling? must he have been expelling? must we have been expelling? must you have been expelling? must they have been expelling?

Interro-negative form

Simple form	V-ing form
mustn't I expel? mustn't you expel? mustn't he expel? mustn't we expel? mustn't you expel? mustn't they expel?	mustn't I be expelling? mustn't you be expelling? mustn't he be expelling? mustn't we be expelling? mustn't you be expelling? mustn't they be expelling?
Perfect	V-ing perfect
mustn't I have expelled? mustn't you have expelled? mustn't he have expelled? mustn't we have expelled? mustn't you have expelled? mustn't they have expelled?	mustn't I have been expelling? mustn't you have been expelling? mustn't he have been expelling? mustn't we have been expelling? mustn't you have been expelling? mustn't they have been expelling?