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