must underinsure
Verbe régulier : underinsure - underinsured- underinsured
Traduction française : sous-assurer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must underinsure
you must underinsure
she must underinsure
we must underinsure
you must underinsure
they must underinsure 	I must be underinsuring
you must be underinsuring
she must be underinsuring
we must be underinsuring
you must be underinsuring
they must be underinsuring	I must have underinsured
you must have underinsured
she must have underinsured
we must have underinsured
you must have underinsured
they must have underinsured	I must have been underinsuring
you must have been underinsuring
she must have been underinsuring
we must have been underinsuring
you must have been underinsuring
they must have been underinsuring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't underinsure
you mustn't underinsure
she mustn't underinsure
we mustn't underinsure
you mustn't underinsure
they mustn't underinsure 	I mustn't be underinsuring
you mustn't be underinsuring
she mustn't be underinsuring
we mustn't be underinsuring
you mustn't be underinsuring
they mustn't be underinsuring	I mustn't have underinsured
you mustn't have underinsured
she mustn't have underinsured
we mustn't have underinsured
you mustn't have underinsured
they mustn't have underinsured	I mustn't have been underinsuring
you mustn't have been underinsuring
she mustn't have been underinsuring
we mustn't have been underinsuring
you mustn't have been underinsuring
they mustn't have been underinsuring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I underinsure?
must you underinsure?
must she underinsure?
must we underinsure?
must you underinsure?
must they underinsure? 	must I be underinsuring?
must you be underinsuring?
must she be underinsuring?
must we be underinsuring?
must you be underinsuring?
must they be underinsuring? 	must I have underinsured?
must you have underinsured?
must she have underinsured?
must we have underinsured?
must you have underinsured?
must they have underinsured? 	must I have been underinsuring?
must you have been underinsuring?
must she have been underinsuring?
must we have been underinsuring?
must you have been underinsuring?
must they have been underinsuring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I underinsure?
mustn't you underinsure?
mustn't she underinsure?
mustn't we underinsure?
mustn't you underinsure?
mustn't they underinsure? 	mustn't I be underinsuring?
mustn't you be underinsuring?
mustn't she be underinsuring?
mustn't we be underinsuring?
mustn't you be underinsuring?
mustn't they be underinsuring? 	mustn't I have underinsured?
mustn't you have underinsured?
mustn't she have underinsured?
mustn't we have underinsured?
mustn't you have underinsured?
mustn't they have underinsured? 	mustn't I have been underinsuring?
mustn't you have been underinsuring?
mustn't she have been underinsuring?
mustn't we have been underinsuring?
mustn't you have been underinsuring?
mustn't they have been underinsuring?