must discuss
Verbe régulier : discuss - discussed- discussed
Traduction française : discuter de - examiner 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must discuss
you must discuss
he must discuss
we must discuss
you must discuss
they must discuss 	I must be discussing
you must be discussing
he must be discussing
we must be discussing
you must be discussing
they must be discussing	I must have discussed
you must have discussed
he must have discussed
we must have discussed
you must have discussed
they must have discussed	I must have been discussing
you must have been discussing
he must have been discussing
we must have been discussing
you must have been discussing
they must have been discussing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not discuss
you must not discuss
he must not discuss
we must not discuss
you must not discuss
they must not discuss 	I must not be discussing
you must not be discussing
he must not be discussing
we must not be discussing
you must not be discussing
they must not be discussing	I must not have discussed
you must not have discussed
he must not have discussed
we must not have discussed
you must not have discussed
they must not have discussed	I must not have been discussing
you must not have been discussing
he must not have been discussing
we must not have been discussing
you must not have been discussing
they must not have been discussing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I discuss?
must you discuss?
must he discuss?
must we discuss?
must you discuss?
must they discuss? 	must I be discussing?
must you be discussing?
must he be discussing?
must we be discussing?
must you be discussing?
must they be discussing? 	must I have discussed?
must you have discussed?
must he have discussed?
must we have discussed?
must you have discussed?
must they have discussed? 	must I have been discussing?
must you have been discussing?
must he have been discussing?
must we have been discussing?
must you have been discussing?
must they have been discussing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not discuss?
must you not discuss?
must he not discuss?
must we not discuss?
must you not discuss?
must they not discuss? 	must I not be discussing?
must you not be discussing?
must he not be discussing?
must we not be discussing?
must you not be discussing?
must they not be discussing? 	must I not have discussed?
must you not have discussed?
must he not have discussed?
must we not have discussed?
must you not have discussed?
must they not have discussed? 	must I not have been discussing?
must you not have been discussing?
must he not have been discussing?
must we not have been discussing?
must you not have been discussing?
must they not have been discussing?