I must oxidize you must oxidize she must oxidize we must oxidize you must oxidize they must oxidize
Forma con 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
Perfecto
I must have oxidized you must have oxidized she must have oxidized we must have oxidized you must have oxidized they must have oxidized
Perfecto con 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
Negación
Forma simple
I must not oxidize you must not oxidize she must not oxidize we must not oxidize you must not oxidize they must not oxidize
Forma con V-ing
I must not be oxidizing you must not be oxidizing she must not be oxidizing we must not be oxidizing you must not be oxidizing they must not be oxidizing
Perfecto
I must not have oxidized you must not have oxidized she must not have oxidized we must not have oxidized you must not have oxidized they must not have oxidized
Perfecto con V-ing
I must not have been oxidizing you must not have been oxidizing she must not have been oxidizing we must not have been oxidizing you must not have been oxidizing they must not 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 con 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?
Perfecto
must I have oxidized? must you have oxidized? must she have oxidized? must we have oxidized? must you have oxidized? must they have oxidized?
Perfecto con 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-negativa
Forma simple
must I not oxidize? must you not oxidize? must she not oxidize? must we not oxidize? must you not oxidize? must they not oxidize?
Forma con V-ing
must I not be oxidizing? must you not be oxidizing? must she not be oxidizing? must we not be oxidizing? must you not be oxidizing? must they not be oxidizing?
Perfecto
must I not have oxidized? must you not have oxidized? must she not have oxidized? must we not have oxidized? must you not have oxidized? must they not have oxidized?
Perfecto con V-ing
must I not have been oxidizing? must you not have been oxidizing? must she not have been oxidizing? must we not have been oxidizing? must you not have been oxidizing? must they not have been oxidizing?