must work
Verbe régulier : work - worked- worked
Traduction française : travailler - faire travailler 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must work
you must work
he must work
we must work
you must work
they must work 	I must be working
you must be working
he must be working
we must be working
you must be working
they must be working	I must have worked
you must have worked
he must have worked
we must have worked
you must have worked
they must have worked	I must have been working
you must have been working
he must have been working
we must have been working
you must have been working
they must have been working	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't work
you mustn't work
he mustn't work
we mustn't work
you mustn't work
they mustn't work 	I mustn't be working
you mustn't be working
he mustn't be working
we mustn't be working
you mustn't be working
they mustn't be working	I mustn't have worked
you mustn't have worked
he mustn't have worked
we mustn't have worked
you mustn't have worked
they mustn't have worked	I mustn't have been working
you mustn't have been working
he mustn't have been working
we mustn't have been working
you mustn't have been working
they mustn't have been working	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I work?
must you work?
must he work?
must we work?
must you work?
must they work? 	must I be working?
must you be working?
must he be working?
must we be working?
must you be working?
must they be working? 	must I have worked?
must you have worked?
must he have worked?
must we have worked?
must you have worked?
must they have worked? 	must I have been working?
must you have been working?
must he have been working?
must we have been working?
must you have been working?
must they have been working? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I work?
mustn't you work?
mustn't he work?
mustn't we work?
mustn't you work?
mustn't they work? 	mustn't I be working?
mustn't you be working?
mustn't he be working?
mustn't we be working?
mustn't you be working?
mustn't they be working? 	mustn't I have worked?
mustn't you have worked?
mustn't he have worked?
mustn't we have worked?
mustn't you have worked?
mustn't they have worked? 	mustn't I have been working?
mustn't you have been working?
mustn't he have been working?
mustn't we have been working?
mustn't you have been working?
mustn't they have been working?