must preprocess
Verbe régulier : preprocess - preprocessed- preprocessed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must preprocess
you must preprocess
he must preprocess
we must preprocess
you must preprocess
they must preprocess 	I must be preprocessing
you must be preprocessing
he must be preprocessing
we must be preprocessing
you must be preprocessing
they must be preprocessing	I must have preprocessed
you must have preprocessed
he must have preprocessed
we must have preprocessed
you must have preprocessed
they must have preprocessed	I must have been preprocessing
you must have been preprocessing
he must have been preprocessing
we must have been preprocessing
you must have been preprocessing
they must have been preprocessing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't preprocess
you mustn't preprocess
he mustn't preprocess
we mustn't preprocess
you mustn't preprocess
they mustn't preprocess 	I mustn't be preprocessing
you mustn't be preprocessing
he mustn't be preprocessing
we mustn't be preprocessing
you mustn't be preprocessing
they mustn't be preprocessing	I mustn't have preprocessed
you mustn't have preprocessed
he mustn't have preprocessed
we mustn't have preprocessed
you mustn't have preprocessed
they mustn't have preprocessed	I mustn't have been preprocessing
you mustn't have been preprocessing
he mustn't have been preprocessing
we mustn't have been preprocessing
you mustn't have been preprocessing
they mustn't have been preprocessing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I preprocess?
must you preprocess?
must he preprocess?
must we preprocess?
must you preprocess?
must they preprocess? 	must I be preprocessing?
must you be preprocessing?
must he be preprocessing?
must we be preprocessing?
must you be preprocessing?
must they be preprocessing? 	must I have preprocessed?
must you have preprocessed?
must he have preprocessed?
must we have preprocessed?
must you have preprocessed?
must they have preprocessed? 	must I have been preprocessing?
must you have been preprocessing?
must he have been preprocessing?
must we have been preprocessing?
must you have been preprocessing?
must they have been preprocessing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I preprocess?
mustn't you preprocess?
mustn't he preprocess?
mustn't we preprocess?
mustn't you preprocess?
mustn't they preprocess? 	mustn't I be preprocessing?
mustn't you be preprocessing?
mustn't he be preprocessing?
mustn't we be preprocessing?
mustn't you be preprocessing?
mustn't they be preprocessing? 	mustn't I have preprocessed?
mustn't you have preprocessed?
mustn't he have preprocessed?
mustn't we have preprocessed?
mustn't you have preprocessed?
mustn't they have preprocessed? 	mustn't I have been preprocessing?
mustn't you have been preprocessing?
mustn't he have been preprocessing?
mustn't we have been preprocessing?
mustn't you have been preprocessing?
mustn't they have been preprocessing?