could preprocess
Verbe régulier : preprocess - preprocessed- preprocessed

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

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not preprocess
you could not preprocess
he could not preprocess
we could not preprocess
you could not preprocess
they could not preprocess 	I could not be preprocessing
you could not be preprocessing
he could not be preprocessing
we could not be preprocessing
you could not be preprocessing
they could not be preprocessing	I could not have preprocessed
you could not have preprocessed
he could not have preprocessed
we could not have preprocessed
you could not have preprocessed
they could not have preprocessed	I could not have been preprocessing
you could not have been preprocessing
he could not have been preprocessing
we could not have been preprocessing
you could not have been preprocessing
they could not have been preprocessing	

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

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