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 must not concuss
you must not concuss
he must not concuss
we must not concuss
you must not concuss
they must not concuss 	I must not be concussing
you must not be concussing
he must not be concussing
we must not be concussing
you must not be concussing
they must not be concussing	I must not have concussed
you must not have concussed
he must not have concussed
we must not have concussed
you must not have concussed
they must not have concussed	I must not have been concussing
you must not have been concussing
he must not have been concussing
we must not have been concussing
you must not have been concussing
they must not 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 	
must I not concuss?
must you not concuss?
must he not concuss?
must we not concuss?
must you not concuss?
must they not concuss? 	must I not be concussing?
must you not be concussing?
must he not be concussing?
must we not be concussing?
must you not be concussing?
must they not be concussing? 	must I not have concussed?
must you not have concussed?
must he not have concussed?
must we not have concussed?
must you not have concussed?
must they not have concussed? 	must I not have been concussing?
must you not have been concussing?
must he not have been concussing?
must we not have been concussing?
must you not have been concussing?
must they not have been concussing?