must reoccur
Verbe régulier : reoccur - reoccured- reoccured

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must reoccur
you must reoccur
he must reoccur
we must reoccur
you must reoccur
they must reoccur 	I must be reoccuring
you must be reoccuring
he must be reoccuring
we must be reoccuring
you must be reoccuring
they must be reoccuring	I must have reoccured
you must have reoccured
he must have reoccured
we must have reoccured
you must have reoccured
they must have reoccured	I must have been reoccuring
you must have been reoccuring
he must have been reoccuring
we must have been reoccuring
you must have been reoccuring
they must have been reoccuring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not reoccur
you must not reoccur
he must not reoccur
we must not reoccur
you must not reoccur
they must not reoccur 	I must not be reoccuring
you must not be reoccuring
he must not be reoccuring
we must not be reoccuring
you must not be reoccuring
they must not be reoccuring	I must not have reoccured
you must not have reoccured
he must not have reoccured
we must not have reoccured
you must not have reoccured
they must not have reoccured	I must not have been reoccuring
you must not have been reoccuring
he must not have been reoccuring
we must not have been reoccuring
you must not have been reoccuring
they must not have been reoccuring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I reoccur?
must you reoccur?
must he reoccur?
must we reoccur?
must you reoccur?
must they reoccur? 	must I be reoccuring?
must you be reoccuring?
must he be reoccuring?
must we be reoccuring?
must you be reoccuring?
must they be reoccuring? 	must I have reoccured?
must you have reoccured?
must he have reoccured?
must we have reoccured?
must you have reoccured?
must they have reoccured? 	must I have been reoccuring?
must you have been reoccuring?
must he have been reoccuring?
must we have been reoccuring?
must you have been reoccuring?
must they have been reoccuring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not reoccur?
must you not reoccur?
must he not reoccur?
must we not reoccur?
must you not reoccur?
must they not reoccur? 	must I not be reoccuring?
must you not be reoccuring?
must he not be reoccuring?
must we not be reoccuring?
must you not be reoccuring?
must they not be reoccuring? 	must I not have reoccured?
must you not have reoccured?
must he not have reoccured?
must we not have reoccured?
must you not have reoccured?
must they not have reoccured? 	must I not have been reoccuring?
must you not have been reoccuring?
must he not have been reoccuring?
must we not have been reoccuring?
must you not have been reoccuring?
must they not have been reoccuring?