English verb conjugation
MUST ARREST

Regular verb: arrest - arrested - arrested

Affirmation

Simple form	V-ing form
I must arrest you must arrest he must arrest we must arrest you must arrest they must arrest	I must be arresting you must be arresting he must be arresting we must be arresting you must be arresting they must be arresting
Perfect	V-ing perfect
I must have arrested you must have arrested he must have arrested we must have arrested you must have arrested they must have arrested	I must have been arresting you must have been arresting he must have been arresting we must have been arresting you must have been arresting they must have been arresting

Negation

Simple form	V-ing form
I mustn't arrest you mustn't arrest he mustn't arrest we mustn't arrest you mustn't arrest they mustn't arrest	I mustn't be arresting you mustn't be arresting he mustn't be arresting we mustn't be arresting you mustn't be arresting they mustn't be arresting
Perfect	V-ing perfect
I mustn't have arrested you mustn't have arrested he mustn't have arrested we mustn't have arrested you mustn't have arrested they mustn't have arrested	I mustn't have been arresting you mustn't have been arresting he mustn't have been arresting we mustn't have been arresting you mustn't have been arresting they mustn't have been arresting

Interrogative form

Simple form	V-ing form
must I arrest? must you arrest? must he arrest? must we arrest? must you arrest? must they arrest?	must I be arresting? must you be arresting? must he be arresting? must we be arresting? must you be arresting? must they be arresting?
Perfect	V-ing perfect
must I have arrested? must you have arrested? must he have arrested? must we have arrested? must you have arrested? must they have arrested?	must I have been arresting? must you have been arresting? must he have been arresting? must we have been arresting? must you have been arresting? must they have been arresting?

Interro-negative form

Simple form	V-ing form
mustn't I arrest? mustn't you arrest? mustn't he arrest? mustn't we arrest? mustn't you arrest? mustn't they arrest?	mustn't I be arresting? mustn't you be arresting? mustn't he be arresting? mustn't we be arresting? mustn't you be arresting? mustn't they be arresting?
Perfect	V-ing perfect
mustn't I have arrested? mustn't you have arrested? mustn't he have arrested? mustn't we have arrested? mustn't you have arrested? mustn't they have arrested?	mustn't I have been arresting? mustn't you have been arresting? mustn't he have been arresting? mustn't we have been arresting? mustn't you have been arresting? mustn't they have been arresting?