must prededuct
Verbe régulier : prededuct - prededucted- prededucted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must prededuct
you must prededuct
he must prededuct
we must prededuct
you must prededuct
they must prededuct 	I must be prededucting
you must be prededucting
he must be prededucting
we must be prededucting
you must be prededucting
they must be prededucting	I must have prededucted
you must have prededucted
he must have prededucted
we must have prededucted
you must have prededucted
they must have prededucted	I must have been prededucting
you must have been prededucting
he must have been prededucting
we must have been prededucting
you must have been prededucting
they must have been prededucting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not prededuct
you must not prededuct
he must not prededuct
we must not prededuct
you must not prededuct
they must not prededuct 	I must not be prededucting
you must not be prededucting
he must not be prededucting
we must not be prededucting
you must not be prededucting
they must not be prededucting	I must not have prededucted
you must not have prededucted
he must not have prededucted
we must not have prededucted
you must not have prededucted
they must not have prededucted	I must not have been prededucting
you must not have been prededucting
he must not have been prededucting
we must not have been prededucting
you must not have been prededucting
they must not have been prededucting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I prededuct?
must you prededuct?
must he prededuct?
must we prededuct?
must you prededuct?
must they prededuct? 	must I be prededucting?
must you be prededucting?
must he be prededucting?
must we be prededucting?
must you be prededucting?
must they be prededucting? 	must I have prededucted?
must you have prededucted?
must he have prededucted?
must we have prededucted?
must you have prededucted?
must they have prededucted? 	must I have been prededucting?
must you have been prededucting?
must he have been prededucting?
must we have been prededucting?
must you have been prededucting?
must they have been prededucting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not prededuct?
must you not prededuct?
must he not prededuct?
must we not prededuct?
must you not prededuct?
must they not prededuct? 	must I not be prededucting?
must you not be prededucting?
must he not be prededucting?
must we not be prededucting?
must you not be prededucting?
must they not be prededucting? 	must I not have prededucted?
must you not have prededucted?
must he not have prededucted?
must we not have prededucted?
must you not have prededucted?
must they not have prededucted? 	must I not have been prededucting?
must you not have been prededucting?
must he not have been prededucting?
must we not have been prededucting?
must you not have been prededucting?
must they not have been prededucting?