English verb conjugation
MUST BAN

Regular verb: ban - banned - banned

Affirmation

Simple form	V-ing form
I must ban you must ban she must ban we must ban you must ban they must ban	I must be banning you must be banning she must be banning we must be banning you must be banning they must be banning
Perfect	V-ing perfect
I must have banned you must have banned she must have banned we must have banned you must have banned they must have banned	I must have been banning you must have been banning she must have been banning we must have been banning you must have been banning they must have been banning

Negation

Simple form	V-ing form
I must not ban you must not ban she must not ban we must not ban you must not ban they must not ban	I must not be banning you must not be banning she must not be banning we must not be banning you must not be banning they must not be banning
Perfect	V-ing perfect
I must not have banned you must not have banned she must not have banned we must not have banned you must not have banned they must not have banned	I must not have been banning you must not have been banning she must not have been banning we must not have been banning you must not have been banning they must not have been banning

Interrogative form

Simple form	V-ing form
must I ban? must you ban? must she ban? must we ban? must you ban? must they ban?	must I be banning? must you be banning? must she be banning? must we be banning? must you be banning? must they be banning?
Perfect	V-ing perfect
must I have banned? must you have banned? must she have banned? must we have banned? must you have banned? must they have banned?	must I have been banning? must you have been banning? must she have been banning? must we have been banning? must you have been banning? must they have been banning?

Interro-negative form

Simple form	V-ing form
must I not ban? must you not ban? must she not ban? must we not ban? must you not ban? must they not ban?	must I not be banning? must you not be banning? must she not be banning? must we not be banning? must you not be banning? must they not be banning?
Perfect	V-ing perfect
must I not have banned? must you not have banned? must she not have banned? must we not have banned? must you not have banned? must they not have banned?	must I not have been banning? must you not have been banning? must she not have been banning? must we not have been banning? must you not have been banning? must they not have been banning?