must prescreen
Verbe régulier : prescreen - prescreened- prescreened

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must prescreen
you must prescreen
she must prescreen
we must prescreen
you must prescreen
they must prescreen 	I must be prescreening
you must be prescreening
she must be prescreening
we must be prescreening
you must be prescreening
they must be prescreening	I must have prescreened
you must have prescreened
she must have prescreened
we must have prescreened
you must have prescreened
they must have prescreened	I must have been prescreening
you must have been prescreening
she must have been prescreening
we must have been prescreening
you must have been prescreening
they must have been prescreening	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't prescreen
you mustn't prescreen
she mustn't prescreen
we mustn't prescreen
you mustn't prescreen
they mustn't prescreen 	I mustn't be prescreening
you mustn't be prescreening
she mustn't be prescreening
we mustn't be prescreening
you mustn't be prescreening
they mustn't be prescreening	I mustn't have prescreened
you mustn't have prescreened
she mustn't have prescreened
we mustn't have prescreened
you mustn't have prescreened
they mustn't have prescreened	I mustn't have been prescreening
you mustn't have been prescreening
she mustn't have been prescreening
we mustn't have been prescreening
you mustn't have been prescreening
they mustn't have been prescreening	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I prescreen?
must you prescreen?
must she prescreen?
must we prescreen?
must you prescreen?
must they prescreen? 	must I be prescreening?
must you be prescreening?
must she be prescreening?
must we be prescreening?
must you be prescreening?
must they be prescreening? 	must I have prescreened?
must you have prescreened?
must she have prescreened?
must we have prescreened?
must you have prescreened?
must they have prescreened? 	must I have been prescreening?
must you have been prescreening?
must she have been prescreening?
must we have been prescreening?
must you have been prescreening?
must they have been prescreening? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I prescreen?
mustn't you prescreen?
mustn't she prescreen?
mustn't we prescreen?
mustn't you prescreen?
mustn't they prescreen? 	mustn't I be prescreening?
mustn't you be prescreening?
mustn't she be prescreening?
mustn't we be prescreening?
mustn't you be prescreening?
mustn't they be prescreening? 	mustn't I have prescreened?
mustn't you have prescreened?
mustn't she have prescreened?
mustn't we have prescreened?
mustn't you have prescreened?
mustn't they have prescreened? 	mustn't I have been prescreening?
mustn't you have been prescreening?
mustn't she have been prescreening?
mustn't we have been prescreening?
mustn't you have been prescreening?
mustn't they have been prescreening?