must preprogram
Verbe régulier : preprogram - preprogramed- preprogramed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must preprogram
you must preprogram
she must preprogram
we must preprogram
you must preprogram
they must preprogram 	I must be preprograming
you must be preprograming
she must be preprograming
we must be preprograming
you must be preprograming
they must be preprograming	I must have preprogramed
you must have preprogramed
she must have preprogramed
we must have preprogramed
you must have preprogramed
they must have preprogramed	I must have been preprograming
you must have been preprograming
she must have been preprograming
we must have been preprograming
you must have been preprograming
they must have been preprograming	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't preprogram
you mustn't preprogram
she mustn't preprogram
we mustn't preprogram
you mustn't preprogram
they mustn't preprogram 	I mustn't be preprograming
you mustn't be preprograming
she mustn't be preprograming
we mustn't be preprograming
you mustn't be preprograming
they mustn't be preprograming	I mustn't have preprogramed
you mustn't have preprogramed
she mustn't have preprogramed
we mustn't have preprogramed
you mustn't have preprogramed
they mustn't have preprogramed	I mustn't have been preprograming
you mustn't have been preprograming
she mustn't have been preprograming
we mustn't have been preprograming
you mustn't have been preprograming
they mustn't have been preprograming	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I preprogram?
must you preprogram?
must she preprogram?
must we preprogram?
must you preprogram?
must they preprogram? 	must I be preprograming?
must you be preprograming?
must she be preprograming?
must we be preprograming?
must you be preprograming?
must they be preprograming? 	must I have preprogramed?
must you have preprogramed?
must she have preprogramed?
must we have preprogramed?
must you have preprogramed?
must they have preprogramed? 	must I have been preprograming?
must you have been preprograming?
must she have been preprograming?
must we have been preprograming?
must you have been preprograming?
must they have been preprograming? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I preprogram?
mustn't you preprogram?
mustn't she preprogram?
mustn't we preprogram?
mustn't you preprogram?
mustn't they preprogram? 	mustn't I be preprograming?
mustn't you be preprograming?
mustn't she be preprograming?
mustn't we be preprograming?
mustn't you be preprograming?
mustn't they be preprograming? 	mustn't I have preprogramed?
mustn't you have preprogramed?
mustn't she have preprogramed?
mustn't we have preprogramed?
mustn't you have preprogramed?
mustn't they have preprogramed? 	mustn't I have been preprograming?
mustn't you have been preprograming?
mustn't she have been preprograming?
mustn't we have been preprograming?
mustn't you have been preprograming?
mustn't they have been preprograming?