must own
Verbe régulier : own - owned- owned
Traduction française : posséder - admettre 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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	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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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	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	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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? 	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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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? 	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?