must attend
Verbe régulier : attend - attended- attended
Traduction française : assister à - être présent 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must attend
you must attend
she must attend
we must attend
you must attend
they must attend 	I must be attending
you must be attending
she must be attending
we must be attending
you must be attending
they must be attending	I must have attended
you must have attended
she must have attended
we must have attended
you must have attended
they must have attended	I must have been attending
you must have been attending
she must have been attending
we must have been attending
you must have been attending
they must have been attending	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't attend
you mustn't attend
she mustn't attend
we mustn't attend
you mustn't attend
they mustn't attend 	I mustn't be attending
you mustn't be attending
she mustn't be attending
we mustn't be attending
you mustn't be attending
they mustn't be attending	I mustn't have attended
you mustn't have attended
she mustn't have attended
we mustn't have attended
you mustn't have attended
they mustn't have attended	I mustn't have been attending
you mustn't have been attending
she mustn't have been attending
we mustn't have been attending
you mustn't have been attending
they mustn't have been attending	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I attend?
must you attend?
must she attend?
must we attend?
must you attend?
must they attend? 	must I be attending?
must you be attending?
must she be attending?
must we be attending?
must you be attending?
must they be attending? 	must I have attended?
must you have attended?
must she have attended?
must we have attended?
must you have attended?
must they have attended? 	must I have been attending?
must you have been attending?
must she have been attending?
must we have been attending?
must you have been attending?
must they have been attending? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I attend?
mustn't you attend?
mustn't she attend?
mustn't we attend?
mustn't you attend?
mustn't they attend? 	mustn't I be attending?
mustn't you be attending?
mustn't she be attending?
mustn't we be attending?
mustn't you be attending?
mustn't they be attending? 	mustn't I have attended?
mustn't you have attended?
mustn't she have attended?
mustn't we have attended?
mustn't you have attended?
mustn't they have attended? 	mustn't I have been attending?
mustn't you have been attending?
mustn't she have been attending?
mustn't we have been attending?
mustn't you have been attending?
mustn't they have been attending?