must attribute
Verbe régulier : attribute - attributed- attributed
Traduction française : attribuer - imputer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must attribute
you must attribute
she must attribute
we must attribute
you must attribute
they must attribute 	I must be attributing
you must be attributing
she must be attributing
we must be attributing
you must be attributing
they must be attributing	I must have attributed
you must have attributed
she must have attributed
we must have attributed
you must have attributed
they must have attributed	I must have been attributing
you must have been attributing
she must have been attributing
we must have been attributing
you must have been attributing
they must have been attributing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't attribute
you mustn't attribute
she mustn't attribute
we mustn't attribute
you mustn't attribute
they mustn't attribute 	I mustn't be attributing
you mustn't be attributing
she mustn't be attributing
we mustn't be attributing
you mustn't be attributing
they mustn't be attributing	I mustn't have attributed
you mustn't have attributed
she mustn't have attributed
we mustn't have attributed
you mustn't have attributed
they mustn't have attributed	I mustn't have been attributing
you mustn't have been attributing
she mustn't have been attributing
we mustn't have been attributing
you mustn't have been attributing
they mustn't have been attributing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I attribute?
must you attribute?
must she attribute?
must we attribute?
must you attribute?
must they attribute? 	must I be attributing?
must you be attributing?
must she be attributing?
must we be attributing?
must you be attributing?
must they be attributing? 	must I have attributed?
must you have attributed?
must she have attributed?
must we have attributed?
must you have attributed?
must they have attributed? 	must I have been attributing?
must you have been attributing?
must she have been attributing?
must we have been attributing?
must you have been attributing?
must they have been attributing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I attribute?
mustn't you attribute?
mustn't she attribute?
mustn't we attribute?
mustn't you attribute?
mustn't they attribute? 	mustn't I be attributing?
mustn't you be attributing?
mustn't she be attributing?
mustn't we be attributing?
mustn't you be attributing?
mustn't they be attributing? 	mustn't I have attributed?
mustn't you have attributed?
mustn't she have attributed?
mustn't we have attributed?
mustn't you have attributed?
mustn't they have attributed? 	mustn't I have been attributing?
mustn't you have been attributing?
mustn't she have been attributing?
mustn't we have been attributing?
mustn't you have been attributing?
mustn't they have been attributing?