must preexist
Verbe régulier : preexist - preexisted- preexisted
Traduction française : préexister à 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must preexist
you must preexist
he must preexist
we must preexist
you must preexist
they must preexist 	I must be preexisting
you must be preexisting
he must be preexisting
we must be preexisting
you must be preexisting
they must be preexisting	I must have preexisted
you must have preexisted
he must have preexisted
we must have preexisted
you must have preexisted
they must have preexisted	I must have been preexisting
you must have been preexisting
he must have been preexisting
we must have been preexisting
you must have been preexisting
they must have been preexisting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't preexist
you mustn't preexist
he mustn't preexist
we mustn't preexist
you mustn't preexist
they mustn't preexist 	I mustn't be preexisting
you mustn't be preexisting
he mustn't be preexisting
we mustn't be preexisting
you mustn't be preexisting
they mustn't be preexisting	I mustn't have preexisted
you mustn't have preexisted
he mustn't have preexisted
we mustn't have preexisted
you mustn't have preexisted
they mustn't have preexisted	I mustn't have been preexisting
you mustn't have been preexisting
he mustn't have been preexisting
we mustn't have been preexisting
you mustn't have been preexisting
they mustn't have been preexisting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I preexist?
must you preexist?
must he preexist?
must we preexist?
must you preexist?
must they preexist? 	must I be preexisting?
must you be preexisting?
must he be preexisting?
must we be preexisting?
must you be preexisting?
must they be preexisting? 	must I have preexisted?
must you have preexisted?
must he have preexisted?
must we have preexisted?
must you have preexisted?
must they have preexisted? 	must I have been preexisting?
must you have been preexisting?
must he have been preexisting?
must we have been preexisting?
must you have been preexisting?
must they have been preexisting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I preexist?
mustn't you preexist?
mustn't he preexist?
mustn't we preexist?
mustn't you preexist?
mustn't they preexist? 	mustn't I be preexisting?
mustn't you be preexisting?
mustn't he be preexisting?
mustn't we be preexisting?
mustn't you be preexisting?
mustn't they be preexisting? 	mustn't I have preexisted?
mustn't you have preexisted?
mustn't he have preexisted?
mustn't we have preexisted?
mustn't you have preexisted?
mustn't they have preexisted? 	mustn't I have been preexisting?
mustn't you have been preexisting?
mustn't he have been preexisting?
mustn't we have been preexisting?
mustn't you have been preexisting?
mustn't they have been preexisting?