English verb conjugation
MUST BAN

Regular verb: ban - banned - banned

Affirmation

Simple form	V-ing form
I must ban you must ban he must ban we must ban you must ban they must ban	I must be banning you must be banning he 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 he 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 he 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 mustn't ban you mustn't ban he mustn't ban we mustn't ban you mustn't ban they mustn't ban	I mustn't be banning you mustn't be banning he mustn't be banning we mustn't be banning you mustn't be banning they mustn't be banning
Perfect	V-ing perfect
I mustn't have banned you mustn't have banned he mustn't have banned we mustn't have banned you mustn't have banned they mustn't have banned	I mustn't have been banning you mustn't have been banning he mustn't have been banning we mustn't have been banning you mustn't have been banning they mustn't have been banning

Interrogative form

Simple form	V-ing form
must I ban? must you ban? must he ban? must we ban? must you ban? must they ban?	must I be banning? must you be banning? must he 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 he 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 he 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
mustn't I ban? mustn't you ban? mustn't he ban? mustn't we ban? mustn't you ban? mustn't they ban?	mustn't I be banning? mustn't you be banning? mustn't he be banning? mustn't we be banning? mustn't you be banning? mustn't they be banning?
Perfect	V-ing perfect
mustn't I have banned? mustn't you have banned? mustn't he have banned? mustn't we have banned? mustn't you have banned? mustn't they have banned?	mustn't I have been banning? mustn't you have been banning? mustn't he have been banning? mustn't we have been banning? mustn't you have been banning? mustn't they have been banning?