I must diphthongize you must diphthongize she must diphthongize we must diphthongize you must diphthongize they must diphthongize
Forme en V-ing
I must be diphthongizing you must be diphthongizing she must be diphthongizing we must be diphthongizing you must be diphthongizing they must be diphthongizing
Perfect
I must have diphthongized you must have diphthongized she must have diphthongized we must have diphthongized you must have diphthongized they must have diphthongized
Perfect en V-ing
I must have been diphthongizing you must have been diphthongizing she must have been diphthongizing we must have been diphthongizing you must have been diphthongizing they must have been diphthongizing
Négation
Forme simple
I mustn't diphthongize you mustn't diphthongize she mustn't diphthongize we mustn't diphthongize you mustn't diphthongize they mustn't diphthongize
Forme en V-ing
I mustn't be diphthongizing you mustn't be diphthongizing she mustn't be diphthongizing we mustn't be diphthongizing you mustn't be diphthongizing they mustn't be diphthongizing
Perfect
I mustn't have diphthongized you mustn't have diphthongized she mustn't have diphthongized we mustn't have diphthongized you mustn't have diphthongized they mustn't have diphthongized
Perfect en V-ing
I mustn't have been diphthongizing you mustn't have been diphthongizing she mustn't have been diphthongizing we mustn't have been diphthongizing you mustn't have been diphthongizing they mustn't have been diphthongizing
Forme interrogative
Forme simple
must I diphthongize? must you diphthongize? must she diphthongize? must we diphthongize? must you diphthongize? must they diphthongize?
Forme en V-ing
must I be diphthongizing? must you be diphthongizing? must she be diphthongizing? must we be diphthongizing? must you be diphthongizing? must they be diphthongizing?
Perfect
must I have diphthongized? must you have diphthongized? must she have diphthongized? must we have diphthongized? must you have diphthongized? must they have diphthongized?
Perfect en V-ing
must I have been diphthongizing? must you have been diphthongizing? must she have been diphthongizing? must we have been diphthongizing? must you have been diphthongizing? must they have been diphthongizing?
Forme interro-négative
Forme simple
mustn't I diphthongize? mustn't you diphthongize? mustn't she diphthongize? mustn't we diphthongize? mustn't you diphthongize? mustn't they diphthongize?
Forme en V-ing
mustn't I be diphthongizing? mustn't you be diphthongizing? mustn't she be diphthongizing? mustn't we be diphthongizing? mustn't you be diphthongizing? mustn't they be diphthongizing?
Perfect
mustn't I have diphthongized? mustn't you have diphthongized? mustn't she have diphthongized? mustn't we have diphthongized? mustn't you have diphthongized? mustn't they have diphthongized?
Perfect en V-ing
mustn't I have been diphthongizing? mustn't you have been diphthongizing? mustn't she have been diphthongizing? mustn't we have been diphthongizing? mustn't you have been diphthongizing? mustn't they have been diphthongizing?