I must extenuate you must extenuate he must extenuate we must extenuate you must extenuate they must extenuate
Forme en V-ing
I must be extenuating you must be extenuating he must be extenuating we must be extenuating you must be extenuating they must be extenuating
Perfect
I must have extenuated you must have extenuated he must have extenuated we must have extenuated you must have extenuated they must have extenuated
Perfect en V-ing
I must have been extenuating you must have been extenuating he must have been extenuating we must have been extenuating you must have been extenuating they must have been extenuating
Négation
Forme simple
I mustn't extenuate you mustn't extenuate he mustn't extenuate we mustn't extenuate you mustn't extenuate they mustn't extenuate
Forme en V-ing
I mustn't be extenuating you mustn't be extenuating he mustn't be extenuating we mustn't be extenuating you mustn't be extenuating they mustn't be extenuating
Perfect
I mustn't have extenuated you mustn't have extenuated he mustn't have extenuated we mustn't have extenuated you mustn't have extenuated they mustn't have extenuated
Perfect en V-ing
I mustn't have been extenuating you mustn't have been extenuating he mustn't have been extenuating we mustn't have been extenuating you mustn't have been extenuating they mustn't have been extenuating
Forme interrogative
Forme simple
must I extenuate? must you extenuate? must he extenuate? must we extenuate? must you extenuate? must they extenuate?
Forme en V-ing
must I be extenuating? must you be extenuating? must he be extenuating? must we be extenuating? must you be extenuating? must they be extenuating?
Perfect
must I have extenuated? must you have extenuated? must he have extenuated? must we have extenuated? must you have extenuated? must they have extenuated?
Perfect en V-ing
must I have been extenuating? must you have been extenuating? must he have been extenuating? must we have been extenuating? must you have been extenuating? must they have been extenuating?
Forme interro-négative
Forme simple
mustn't I extenuate? mustn't you extenuate? mustn't he extenuate? mustn't we extenuate? mustn't you extenuate? mustn't they extenuate?
Forme en V-ing
mustn't I be extenuating? mustn't you be extenuating? mustn't he be extenuating? mustn't we be extenuating? mustn't you be extenuating? mustn't they be extenuating?
Perfect
mustn't I have extenuated? mustn't you have extenuated? mustn't he have extenuated? mustn't we have extenuated? mustn't you have extenuated? mustn't they have extenuated?
Perfect en V-ing
mustn't I have been extenuating? mustn't you have been extenuating? mustn't he have been extenuating? mustn't we have been extenuating? mustn't you have been extenuating? mustn't they have been extenuating?