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