Conjugación del verbo inglés
COULD DIPHTHONGIZE

Verbo regular: diphthongize - diphthongized - diphthongized

Afirmación

Forma simple	Forma con V-ing
I could diphthongize you could diphthongize he could diphthongize we could diphthongize you could diphthongize they could diphthongize	I could be diphthongizing you could be diphthongizing he could be diphthongizing we could be diphthongizing you could be diphthongizing they could be diphthongizing
Perfecto	Perfecto con V-ing
I could have diphthongized you could have diphthongized he 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 he could have been diphthongizing we could have been diphthongizing you could have been diphthongizing they could have been diphthongizing

Negación

Forma simple	Forma con V-ing
I could not diphthongize you could not diphthongize he 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 he could not be diphthongizing we could not be diphthongizing you could not be diphthongizing they could not be diphthongizing
Perfecto	Perfecto con V-ing
I could not have diphthongized you could not have diphthongized he 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 he could not have been diphthongizing we could not have been diphthongizing you could not have been diphthongizing they could not have been diphthongizing

Forma interrogativa

Forma simple	Forma con V-ing
could I diphthongize? could you diphthongize? could he diphthongize? could we diphthongize? could you diphthongize? could they diphthongize?	could I be diphthongizing? could you be diphthongizing? could he be diphthongizing? could we be diphthongizing? could you be diphthongizing? could they be diphthongizing?
Perfecto	Perfecto con V-ing
could I have diphthongized? could you have diphthongized? could he 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 he have been diphthongizing? could we have been diphthongizing? could you have been diphthongizing? could they have been diphthongizing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not diphthongize? could you not diphthongize? could he 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 he not be diphthongizing? could we not be diphthongizing? could you not be diphthongizing? could they not be diphthongizing?
Perfecto	Perfecto con V-ing
could I not have diphthongized? could you not have diphthongized? could he 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 he not have been diphthongizing? could we not have been diphthongizing? could you not have been diphthongizing? could they not have been diphthongizing?