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