Conjugaison du verbe anglais
COULD AD-LIB

Verbe régulier : ad-lib - ad-libed - ad-libed
Traduction française : improviser

Affirmation

Forme simple	Forme en V-ing
I could ad-lib you could ad-lib he could ad-lib we could ad-lib you could ad-lib they could ad-lib	I could be ad-libing you could be ad-libing he could be ad-libing we could be ad-libing you could be ad-libing they could be ad-libing
Perfect	Perfect en V-ing
I could have ad-libed you could have ad-libed he could have ad-libed we could have ad-libed you could have ad-libed they could have ad-libed	I could have been ad-libing you could have been ad-libing he could have been ad-libing we could have been ad-libing you could have been ad-libing they could have been ad-libing

Négation

Forme simple	Forme en V-ing
I could not ad-lib you could not ad-lib he could not ad-lib we could not ad-lib you could not ad-lib they could not ad-lib	I could not be ad-libing you could not be ad-libing he could not be ad-libing we could not be ad-libing you could not be ad-libing they could not be ad-libing
Perfect	Perfect en V-ing
I could not have ad-libed you could not have ad-libed he could not have ad-libed we could not have ad-libed you could not have ad-libed they could not have ad-libed	I could not have been ad-libing you could not have been ad-libing he could not have been ad-libing we could not have been ad-libing you could not have been ad-libing they could not have been ad-libing

Forme interrogative

Forme simple	Forme en V-ing
could I ad-lib? could you ad-lib? could he ad-lib? could we ad-lib? could you ad-lib? could they ad-lib?	could I be ad-libing? could you be ad-libing? could he be ad-libing? could we be ad-libing? could you be ad-libing? could they be ad-libing?
Perfect	Perfect en V-ing
could I have ad-libed? could you have ad-libed? could he have ad-libed? could we have ad-libed? could you have ad-libed? could they have ad-libed?	could I have been ad-libing? could you have been ad-libing? could he have been ad-libing? could we have been ad-libing? could you have been ad-libing? could they have been ad-libing?

Forme interro-négative

Forme simple	Forme en V-ing
could I not ad-lib? could you not ad-lib? could he not ad-lib? could we not ad-lib? could you not ad-lib? could they not ad-lib?	could I not be ad-libing? could you not be ad-libing? could he not be ad-libing? could we not be ad-libing? could you not be ad-libing? could they not be ad-libing?
Perfect	Perfect en V-ing
could I not have ad-libed? could you not have ad-libed? could he not have ad-libed? could we not have ad-libed? could you not have ad-libed? could they not have ad-libed?	could I not have been ad-libing? could you not have been ad-libing? could he not have been ad-libing? could we not have been ad-libing? could you not have been ad-libing? could they not have been ad-libing?