must exert
Verbe régulier : exert - exerted- exerted
Traduction française : exercer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must exert
you must exert
he must exert
we must exert
you must exert
they must exert 	I must be exerting
you must be exerting
he must be exerting
we must be exerting
you must be exerting
they must be exerting	I must have exerted
you must have exerted
he must have exerted
we must have exerted
you must have exerted
they must have exerted	I must have been exerting
you must have been exerting
he must have been exerting
we must have been exerting
you must have been exerting
they must have been exerting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not exert
you must not exert
he must not exert
we must not exert
you must not exert
they must not exert 	I must not be exerting
you must not be exerting
he must not be exerting
we must not be exerting
you must not be exerting
they must not be exerting	I must not have exerted
you must not have exerted
he must not have exerted
we must not have exerted
you must not have exerted
they must not have exerted	I must not have been exerting
you must not have been exerting
he must not have been exerting
we must not have been exerting
you must not have been exerting
they must not have been exerting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I exert?
must you exert?
must he exert?
must we exert?
must you exert?
must they exert? 	must I be exerting?
must you be exerting?
must he be exerting?
must we be exerting?
must you be exerting?
must they be exerting? 	must I have exerted?
must you have exerted?
must he have exerted?
must we have exerted?
must you have exerted?
must they have exerted? 	must I have been exerting?
must you have been exerting?
must he have been exerting?
must we have been exerting?
must you have been exerting?
must they have been exerting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not exert?
must you not exert?
must he not exert?
must we not exert?
must you not exert?
must they not exert? 	must I not be exerting?
must you not be exerting?
must he not be exerting?
must we not be exerting?
must you not be exerting?
must they not be exerting? 	must I not have exerted?
must you not have exerted?
must he not have exerted?
must we not have exerted?
must you not have exerted?
must they not have exerted? 	must I not have been exerting?
must you not have been exerting?
must he not have been exerting?
must we not have been exerting?
must you not have been exerting?
must they not have been exerting?