must avoir peur
Regular verb: avoir peur - avoir peured- avoir peured

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must avoir peur
you must avoir peur
she must avoir peur
we must avoir peur
you must avoir peur
they must avoir peur 	I must be avoir peuring
you must be avoir peuring
she must be avoir peuring
we must be avoir peuring
you must be avoir peuring
they must be avoir peuring	I must have avoir peured
you must have avoir peured
she must have avoir peured
we must have avoir peured
you must have avoir peured
they must have avoir peured	I must have been avoir peuring
you must have been avoir peuring
she must have been avoir peuring
we must have been avoir peuring
you must have been avoir peuring
they must have been avoir peuring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't avoir peur
you mustn't avoir peur
she mustn't avoir peur
we mustn't avoir peur
you mustn't avoir peur
they mustn't avoir peur 	I mustn't be avoir peuring
you mustn't be avoir peuring
she mustn't be avoir peuring
we mustn't be avoir peuring
you mustn't be avoir peuring
they mustn't be avoir peuring	I mustn't have avoir peured
you mustn't have avoir peured
she mustn't have avoir peured
we mustn't have avoir peured
you mustn't have avoir peured
they mustn't have avoir peured	I mustn't have been avoir peuring
you mustn't have been avoir peuring
she mustn't have been avoir peuring
we mustn't have been avoir peuring
you mustn't have been avoir peuring
they mustn't have been avoir peuring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I avoir peur?
must you avoir peur?
must she avoir peur?
must we avoir peur?
must you avoir peur?
must they avoir peur? 	must I be avoir peuring?
must you be avoir peuring?
must she be avoir peuring?
must we be avoir peuring?
must you be avoir peuring?
must they be avoir peuring? 	must I have avoir peured?
must you have avoir peured?
must she have avoir peured?
must we have avoir peured?
must you have avoir peured?
must they have avoir peured? 	must I have been avoir peuring?
must you have been avoir peuring?
must she have been avoir peuring?
must we have been avoir peuring?
must you have been avoir peuring?
must they have been avoir peuring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I avoir peur?
mustn't you avoir peur?
mustn't she avoir peur?
mustn't we avoir peur?
mustn't you avoir peur?
mustn't they avoir peur? 	mustn't I be avoir peuring?
mustn't you be avoir peuring?
mustn't she be avoir peuring?
mustn't we be avoir peuring?
mustn't you be avoir peuring?
mustn't they be avoir peuring? 	mustn't I have avoir peured?
mustn't you have avoir peured?
mustn't she have avoir peured?
mustn't we have avoir peured?
mustn't you have avoir peured?
mustn't they have avoir peured? 	mustn't I have been avoir peuring?
mustn't you have been avoir peuring?
mustn't she have been avoir peuring?
mustn't we have been avoir peuring?
mustn't you have been avoir peuring?
mustn't they have been avoir peuring?