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 must not previsit
you must not previsit
she must not previsit
we must not previsit
you must not previsit
they must not previsit 	I must not be previsiting
you must not be previsiting
she must not be previsiting
we must not be previsiting
you must not be previsiting
they must not be previsiting	I must not have previsited
you must not have previsited
she must not have previsited
we must not have previsited
you must not have previsited
they must not have previsited	I must not have been previsiting
you must not have been previsiting
she must not have been previsiting
we must not have been previsiting
you must not have been previsiting
they must not 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 	
must I not previsit?
must you not previsit?
must she not previsit?
must we not previsit?
must you not previsit?
must they not previsit? 	must I not be previsiting?
must you not be previsiting?
must she not be previsiting?
must we not be previsiting?
must you not be previsiting?
must they not be previsiting? 	must I not have previsited?
must you not have previsited?
must she not have previsited?
must we not have previsited?
must you not have previsited?
must they not have previsited? 	must I not have been previsiting?
must you not have been previsiting?
must she not have been previsiting?
must we not have been previsiting?
must you not have been previsiting?
must they not have been previsiting?