must concuss
Verbe régulier : concuss - concussed- concussed
Traduction française : commotionner - ébranler 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must concuss
you must concuss
he must concuss
we must concuss
you must concuss
they must concuss 	I must be concussing
you must be concussing
he must be concussing
we must be concussing
you must be concussing
they must be concussing	I must have concussed
you must have concussed
he must have concussed
we must have concussed
you must have concussed
they must have concussed	I must have been concussing
you must have been concussing
he must have been concussing
we must have been concussing
you must have been concussing
they must have been concussing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't concuss
you mustn't concuss
he mustn't concuss
we mustn't concuss
you mustn't concuss
they mustn't concuss 	I mustn't be concussing
you mustn't be concussing
he mustn't be concussing
we mustn't be concussing
you mustn't be concussing
they mustn't be concussing	I mustn't have concussed
you mustn't have concussed
he mustn't have concussed
we mustn't have concussed
you mustn't have concussed
they mustn't have concussed	I mustn't have been concussing
you mustn't have been concussing
he mustn't have been concussing
we mustn't have been concussing
you mustn't have been concussing
they mustn't have been concussing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I concuss?
must you concuss?
must he concuss?
must we concuss?
must you concuss?
must they concuss? 	must I be concussing?
must you be concussing?
must he be concussing?
must we be concussing?
must you be concussing?
must they be concussing? 	must I have concussed?
must you have concussed?
must he have concussed?
must we have concussed?
must you have concussed?
must they have concussed? 	must I have been concussing?
must you have been concussing?
must he have been concussing?
must we have been concussing?
must you have been concussing?
must they have been concussing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I concuss?
mustn't you concuss?
mustn't he concuss?
mustn't we concuss?
mustn't you concuss?
mustn't they concuss? 	mustn't I be concussing?
mustn't you be concussing?
mustn't he be concussing?
mustn't we be concussing?
mustn't you be concussing?
mustn't they be concussing? 	mustn't I have concussed?
mustn't you have concussed?
mustn't he have concussed?
mustn't we have concussed?
mustn't you have concussed?
mustn't they have concussed? 	mustn't I have been concussing?
mustn't you have been concussing?
mustn't he have been concussing?
mustn't we have been concussing?
mustn't you have been concussing?
mustn't they have been concussing?