I must oxidize you must oxidize she must oxidize we must oxidize you must oxidize they must oxidize
Forma com V-ing
I must be oxidizing you must be oxidizing she must be oxidizing we must be oxidizing you must be oxidizing they must be oxidizing
Perfeito
I must have oxidized you must have oxidized she must have oxidized we must have oxidized you must have oxidized they must have oxidized
Perfeito com V-ing
I must have been oxidizing you must have been oxidizing she must have been oxidizing we must have been oxidizing you must have been oxidizing they must have been oxidizing
Negação
Forma simple
I mustn't oxidize you mustn't oxidize she mustn't oxidize we mustn't oxidize you mustn't oxidize they mustn't oxidize
Forma com V-ing
I mustn't be oxidizing you mustn't be oxidizing she mustn't be oxidizing we mustn't be oxidizing you mustn't be oxidizing they mustn't be oxidizing
Perfeito
I mustn't have oxidized you mustn't have oxidized she mustn't have oxidized we mustn't have oxidized you mustn't have oxidized they mustn't have oxidized
Perfeito com V-ing
I mustn't have been oxidizing you mustn't have been oxidizing she mustn't have been oxidizing we mustn't have been oxidizing you mustn't have been oxidizing they mustn't have been oxidizing
Forma interrogativa
Forma simple
must I oxidize? must you oxidize? must she oxidize? must we oxidize? must you oxidize? must they oxidize?
Forma com V-ing
must I be oxidizing? must you be oxidizing? must she be oxidizing? must we be oxidizing? must you be oxidizing? must they be oxidizing?
Perfeito
must I have oxidized? must you have oxidized? must she have oxidized? must we have oxidized? must you have oxidized? must they have oxidized?
Perfeito com V-ing
must I have been oxidizing? must you have been oxidizing? must she have been oxidizing? must we have been oxidizing? must you have been oxidizing? must they have been oxidizing?
Forma interro-Negação
Forma simple
mustn't I oxidize? mustn't you oxidize? mustn't she oxidize? mustn't we oxidize? mustn't you oxidize? mustn't they oxidize?
Forma com V-ing
mustn't I be oxidizing? mustn't you be oxidizing? mustn't she be oxidizing? mustn't we be oxidizing? mustn't you be oxidizing? mustn't they be oxidizing?
Perfeito
mustn't I have oxidized? mustn't you have oxidized? mustn't she have oxidized? mustn't we have oxidized? mustn't you have oxidized? mustn't they have oxidized?
Perfeito com V-ing
mustn't I have been oxidizing? mustn't you have been oxidizing? mustn't she have been oxidizing? mustn't we have been oxidizing? mustn't you have been oxidizing? mustn't they have been oxidizing?