Conjugaison du verbe anglais
COULD DIPHTHONGISE

Verbe régulier : diphthongise - diphthongised - diphthongised

Affirmation

Forme simple	Forme en V-ing
I could diphthongise you could diphthongise he could diphthongise we could diphthongise you could diphthongise they could diphthongise	I could be diphthongising you could be diphthongising he could be diphthongising we could be diphthongising you could be diphthongising they could be diphthongising
Perfect	Perfect en V-ing
I could have diphthongised you could have diphthongised he could have diphthongised we could have diphthongised you could have diphthongised they could have diphthongised	I could have been diphthongising you could have been diphthongising he could have been diphthongising we could have been diphthongising you could have been diphthongising they could have been diphthongising

Négation

Forme simple	Forme en V-ing
I could not diphthongise you could not diphthongise he could not diphthongise we could not diphthongise you could not diphthongise they could not diphthongise	I could not be diphthongising you could not be diphthongising he could not be diphthongising we could not be diphthongising you could not be diphthongising they could not be diphthongising
Perfect	Perfect en V-ing
I could not have diphthongised you could not have diphthongised he could not have diphthongised we could not have diphthongised you could not have diphthongised they could not have diphthongised	I could not have been diphthongising you could not have been diphthongising he could not have been diphthongising we could not have been diphthongising you could not have been diphthongising they could not have been diphthongising

Forme interrogative

Forme simple	Forme en V-ing
could I diphthongise? could you diphthongise? could he diphthongise? could we diphthongise? could you diphthongise? could they diphthongise?	could I be diphthongising? could you be diphthongising? could he be diphthongising? could we be diphthongising? could you be diphthongising? could they be diphthongising?
Perfect	Perfect en V-ing
could I have diphthongised? could you have diphthongised? could he have diphthongised? could we have diphthongised? could you have diphthongised? could they have diphthongised?	could I have been diphthongising? could you have been diphthongising? could he have been diphthongising? could we have been diphthongising? could you have been diphthongising? could they have been diphthongising?

Forme interro-négative

Forme simple	Forme en V-ing
could I not diphthongise? could you not diphthongise? could he not diphthongise? could we not diphthongise? could you not diphthongise? could they not diphthongise?	could I not be diphthongising? could you not be diphthongising? could he not be diphthongising? could we not be diphthongising? could you not be diphthongising? could they not be diphthongising?
Perfect	Perfect en V-ing
could I not have diphthongised? could you not have diphthongised? could he not have diphthongised? could we not have diphthongised? could you not have diphthongised? could they not have diphthongised?	could I not have been diphthongising? could you not have been diphthongising? could he not have been diphthongising? could we not have been diphthongising? could you not have been diphthongising? could they not have been diphthongising?