must previsit
Verbe régulier : previsit - previsited- previsited

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must previsit
you must previsit
she must previsit
we must previsit
you must previsit
they must previsit 	I must be previsiting
you must be previsiting
she must be previsiting
we must be previsiting
you must be previsiting
they must be previsiting	I must have previsited
you must have previsited
she must have previsited
we must have previsited
you must have previsited
they must have previsited	I must have been previsiting
you must have been previsiting
she must have been previsiting
we must have been previsiting
you must have been previsiting
they must have been previsiting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't previsit
you mustn't previsit
she mustn't previsit
we mustn't previsit
you mustn't previsit
they mustn't previsit 	I mustn't be previsiting
you mustn't be previsiting
she mustn't be previsiting
we mustn't be previsiting
you mustn't be previsiting
they mustn't be previsiting	I mustn't have previsited
you mustn't have previsited
she mustn't have previsited
we mustn't have previsited
you mustn't have previsited
they mustn't have previsited	I mustn't have been previsiting
you mustn't have been previsiting
she mustn't have been previsiting
we mustn't have been previsiting
you mustn't have been previsiting
they mustn't have been previsiting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I previsit?
must you previsit?
must she previsit?
must we previsit?
must you previsit?
must they previsit? 	must I be previsiting?
must you be previsiting?
must she be previsiting?
must we be previsiting?
must you be previsiting?
must they be previsiting? 	must I have previsited?
must you have previsited?
must she have previsited?
must we have previsited?
must you have previsited?
must they have previsited? 	must I have been previsiting?
must you have been previsiting?
must she have been previsiting?
must we have been previsiting?
must you have been previsiting?
must they have been previsiting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I previsit?
mustn't you previsit?
mustn't she previsit?
mustn't we previsit?
mustn't you previsit?
mustn't they previsit? 	mustn't I be previsiting?
mustn't you be previsiting?
mustn't she be previsiting?
mustn't we be previsiting?
mustn't you be previsiting?
mustn't they be previsiting? 	mustn't I have previsited?
mustn't you have previsited?
mustn't she have previsited?
mustn't we have previsited?
mustn't you have previsited?
mustn't they have previsited? 	mustn't I have been previsiting?
mustn't you have been previsiting?
mustn't she have been previsiting?
mustn't we have been previsiting?
mustn't you have been previsiting?
mustn't they have been previsiting?