must discourse
Verbe régulier : discourse - discoursed- discoursed
Traduction française : s'entretenir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must discourse
you must discourse
she must discourse
we must discourse
you must discourse
they must discourse 	I must be discoursing
you must be discoursing
she must be discoursing
we must be discoursing
you must be discoursing
they must be discoursing	I must have discoursed
you must have discoursed
she must have discoursed
we must have discoursed
you must have discoursed
they must have discoursed	I must have been discoursing
you must have been discoursing
she must have been discoursing
we must have been discoursing
you must have been discoursing
they must have been discoursing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't discourse
you mustn't discourse
she mustn't discourse
we mustn't discourse
you mustn't discourse
they mustn't discourse 	I mustn't be discoursing
you mustn't be discoursing
she mustn't be discoursing
we mustn't be discoursing
you mustn't be discoursing
they mustn't be discoursing	I mustn't have discoursed
you mustn't have discoursed
she mustn't have discoursed
we mustn't have discoursed
you mustn't have discoursed
they mustn't have discoursed	I mustn't have been discoursing
you mustn't have been discoursing
she mustn't have been discoursing
we mustn't have been discoursing
you mustn't have been discoursing
they mustn't have been discoursing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I discourse?
must you discourse?
must she discourse?
must we discourse?
must you discourse?
must they discourse? 	must I be discoursing?
must you be discoursing?
must she be discoursing?
must we be discoursing?
must you be discoursing?
must they be discoursing? 	must I have discoursed?
must you have discoursed?
must she have discoursed?
must we have discoursed?
must you have discoursed?
must they have discoursed? 	must I have been discoursing?
must you have been discoursing?
must she have been discoursing?
must we have been discoursing?
must you have been discoursing?
must they have been discoursing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I discourse?
mustn't you discourse?
mustn't she discourse?
mustn't we discourse?
mustn't you discourse?
mustn't they discourse? 	mustn't I be discoursing?
mustn't you be discoursing?
mustn't she be discoursing?
mustn't we be discoursing?
mustn't you be discoursing?
mustn't they be discoursing? 	mustn't I have discoursed?
mustn't you have discoursed?
mustn't she have discoursed?
mustn't we have discoursed?
mustn't you have discoursed?
mustn't they have discoursed? 	mustn't I have been discoursing?
mustn't you have been discoursing?
mustn't she have been discoursing?
mustn't we have been discoursing?
mustn't you have been discoursing?
mustn't they have been discoursing?