I must diphthongize you must diphthongize he must diphthongize we must diphthongize you must diphthongize they must diphthongize
Forme en V-ing
I must be diphthongizing you must be diphthongizing he must be diphthongizing we must be diphthongizing you must be diphthongizing they must be diphthongizing
Perfect
I must have diphthongized you must have diphthongized he 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 he must have been diphthongizing we must have been diphthongizing you must have been diphthongizing they must have been diphthongizing
Négation
Forme simple
I must not diphthongize you must not diphthongize he must not diphthongize we must not diphthongize you must not diphthongize they must not diphthongize
Forme en V-ing
I must not be diphthongizing you must not be diphthongizing he must not be diphthongizing we must not be diphthongizing you must not be diphthongizing they must not be diphthongizing
Perfect
I must not have diphthongized you must not have diphthongized he must not have diphthongized we must not have diphthongized you must not have diphthongized they must not have diphthongized
Perfect en V-ing
I must not have been diphthongizing you must not have been diphthongizing he must not have been diphthongizing we must not have been diphthongizing you must not have been diphthongizing they must not have been diphthongizing
Forme interrogative
Forme simple
must I diphthongize? must you diphthongize? must he diphthongize? must we diphthongize? must you diphthongize? must they diphthongize?
Forme en V-ing
must I be diphthongizing? must you be diphthongizing? must he be diphthongizing? must we be diphthongizing? must you be diphthongizing? must they be diphthongizing?
Perfect
must I have diphthongized? must you have diphthongized? must he 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 he have been diphthongizing? must we have been diphthongizing? must you have been diphthongizing? must they have been diphthongizing?
Forme interro-négative
Forme simple
must I not diphthongize? must you not diphthongize? must he not diphthongize? must we not diphthongize? must you not diphthongize? must they not diphthongize?
Forme en V-ing
must I not be diphthongizing? must you not be diphthongizing? must he not be diphthongizing? must we not be diphthongizing? must you not be diphthongizing? must they not be diphthongizing?
Perfect
must I not have diphthongized? must you not have diphthongized? must he not have diphthongized? must we not have diphthongized? must you not have diphthongized? must they not have diphthongized?
Perfect en V-ing
must I not have been diphthongizing? must you not have been diphthongizing? must he not have been diphthongizing? must we not have been diphthongizing? must you not have been diphthongizing? must they not have been diphthongizing?