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