Conjugaison du verbe anglais
COULD DIPHTHONGISE

Verbe régulier : diphthongise - diphthongised - diphthongised

Affirmation

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