must apprentice
Verbe régulier : apprentice - apprenticed- apprenticed
Traduction française : être en apprentissage 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must apprentice
you must apprentice
he must apprentice
we must apprentice
you must apprentice
they must apprentice 	I must be apprenticing
you must be apprenticing
he must be apprenticing
we must be apprenticing
you must be apprenticing
they must be apprenticing	I must have apprenticed
you must have apprenticed
he must have apprenticed
we must have apprenticed
you must have apprenticed
they must have apprenticed	I must have been apprenticing
you must have been apprenticing
he must have been apprenticing
we must have been apprenticing
you must have been apprenticing
they must have been apprenticing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't apprentice
you mustn't apprentice
he mustn't apprentice
we mustn't apprentice
you mustn't apprentice
they mustn't apprentice 	I mustn't be apprenticing
you mustn't be apprenticing
he mustn't be apprenticing
we mustn't be apprenticing
you mustn't be apprenticing
they mustn't be apprenticing	I mustn't have apprenticed
you mustn't have apprenticed
he mustn't have apprenticed
we mustn't have apprenticed
you mustn't have apprenticed
they mustn't have apprenticed	I mustn't have been apprenticing
you mustn't have been apprenticing
he mustn't have been apprenticing
we mustn't have been apprenticing
you mustn't have been apprenticing
they mustn't have been apprenticing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I apprentice?
must you apprentice?
must he apprentice?
must we apprentice?
must you apprentice?
must they apprentice? 	must I be apprenticing?
must you be apprenticing?
must he be apprenticing?
must we be apprenticing?
must you be apprenticing?
must they be apprenticing? 	must I have apprenticed?
must you have apprenticed?
must he have apprenticed?
must we have apprenticed?
must you have apprenticed?
must they have apprenticed? 	must I have been apprenticing?
must you have been apprenticing?
must he have been apprenticing?
must we have been apprenticing?
must you have been apprenticing?
must they have been apprenticing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I apprentice?
mustn't you apprentice?
mustn't he apprentice?
mustn't we apprentice?
mustn't you apprentice?
mustn't they apprentice? 	mustn't I be apprenticing?
mustn't you be apprenticing?
mustn't he be apprenticing?
mustn't we be apprenticing?
mustn't you be apprenticing?
mustn't they be apprenticing? 	mustn't I have apprenticed?
mustn't you have apprenticed?
mustn't he have apprenticed?
mustn't we have apprenticed?
mustn't you have apprenticed?
mustn't they have apprenticed? 	mustn't I have been apprenticing?
mustn't you have been apprenticing?
mustn't he have been apprenticing?
mustn't we have been apprenticing?
mustn't you have been apprenticing?
mustn't they have been apprenticing?