English verb conjugation
MUST OWN

Regular verb: own - owned - owned

Affirmation

Simple form	V-ing form
I must own you must own he must own we must own you must own they must own	I must be owning you must be owning he must be owning we must be owning you must be owning they must be owning
Perfect	V-ing perfect
I must have owned you must have owned he must have owned we must have owned you must have owned they must have owned	I must have been owning you must have been owning he must have been owning we must have been owning you must have been owning they must have been owning

Negation

Simple form	V-ing form
I mustn't own you mustn't own he mustn't own we mustn't own you mustn't own they mustn't own	I mustn't be owning you mustn't be owning he mustn't be owning we mustn't be owning you mustn't be owning they mustn't be owning
Perfect	V-ing perfect
I mustn't have owned you mustn't have owned he mustn't have owned we mustn't have owned you mustn't have owned they mustn't have owned	I mustn't have been owning you mustn't have been owning he mustn't have been owning we mustn't have been owning you mustn't have been owning they mustn't have been owning

Interrogative form

Simple form	V-ing form
must I own? must you own? must he own? must we own? must you own? must they own?	must I be owning? must you be owning? must he be owning? must we be owning? must you be owning? must they be owning?
Perfect	V-ing perfect
must I have owned? must you have owned? must he have owned? must we have owned? must you have owned? must they have owned?	must I have been owning? must you have been owning? must he have been owning? must we have been owning? must you have been owning? must they have been owning?

Interro-negative form

Simple form	V-ing form
mustn't I own? mustn't you own? mustn't he own? mustn't we own? mustn't you own? mustn't they own?	mustn't I be owning? mustn't you be owning? mustn't he be owning? mustn't we be owning? mustn't you be owning? mustn't they be owning?
Perfect	V-ing perfect
mustn't I have owned? mustn't you have owned? mustn't he have owned? mustn't we have owned? mustn't you have owned? mustn't they have owned?	mustn't I have been owning? mustn't you have been owning? mustn't he have been owning? mustn't we have been owning? mustn't you have been owning? mustn't they have been owning?