Conjugaison du verbe anglais
COULD DIPHTHONGIZE

Verbe régulier : diphthongize - diphthongized - diphthongized

Affirmation

Forme simple	Forme en V-ing
I could diphthongize you could diphthongize she could diphthongize we could diphthongize you could diphthongize they could diphthongize	I could be diphthongizing you could be diphthongizing she could be diphthongizing we could be diphthongizing you could be diphthongizing they could be diphthongizing
Perfect	Perfect en V-ing
I could have diphthongized you could have diphthongized she could have diphthongized we could have diphthongized you could have diphthongized they could have diphthongized	I could have been diphthongizing you could have been diphthongizing she could have been diphthongizing we could have been diphthongizing you could have been diphthongizing they could have been diphthongizing

Négation

Forme simple	Forme en V-ing
I could not diphthongize you could not diphthongize she could not diphthongize we could not diphthongize you could not diphthongize they could not diphthongize	I could not be diphthongizing you could not be diphthongizing she could not be diphthongizing we could not be diphthongizing you could not be diphthongizing they could not be diphthongizing
Perfect	Perfect en V-ing
I could not have diphthongized you could not have diphthongized she could not have diphthongized we could not have diphthongized you could not have diphthongized they could not have diphthongized	I could not have been diphthongizing you could not have been diphthongizing she could not have been diphthongizing we could not have been diphthongizing you could not have been diphthongizing they could not have been diphthongizing

Forme interrogative

Forme simple	Forme en V-ing
could I diphthongize? could you diphthongize? could she diphthongize? could we diphthongize? could you diphthongize? could they diphthongize?	could I be diphthongizing? could you be diphthongizing? could she be diphthongizing? could we be diphthongizing? could you be diphthongizing? could they be diphthongizing?
Perfect	Perfect en V-ing
could I have diphthongized? could you have diphthongized? could she have diphthongized? could we have diphthongized? could you have diphthongized? could they have diphthongized?	could I have been diphthongizing? could you have been diphthongizing? could she have been diphthongizing? could we have been diphthongizing? could you have been diphthongizing? could they have been diphthongizing?

Forme interro-négative

Forme simple	Forme en V-ing
could I not diphthongize? could you not diphthongize? could she not diphthongize? could we not diphthongize? could you not diphthongize? could they not diphthongize?	could I not be diphthongizing? could you not be diphthongizing? could she not be diphthongizing? could we not be diphthongizing? could you not be diphthongizing? could they not be diphthongizing?
Perfect	Perfect en V-ing
could I not have diphthongized? could you not have diphthongized? could she not have diphthongized? could we not have diphthongized? could you not have diphthongized? could they not have diphthongized?	could I not have been diphthongizing? could you not have been diphthongizing? could she not have been diphthongizing? could we not have been diphthongizing? could you not have been diphthongizing? could they not have been diphthongizing?