Conjugaison du verbe anglais
COULD TESTIFY

Verbe régulier : testify - testified - testified
Traduction française : déclarer - porter témoignage

Affirmation

Forme simple	Forme en V-ing
I could testify you could testify he could testify we could testify you could testify they could testify	I could be testifying you could be testifying he could be testifying we could be testifying you could be testifying they could be testifying
Perfect	Perfect en V-ing
I could have testified you could have testified he could have testified we could have testified you could have testified they could have testified	I could have been testifying you could have been testifying he could have been testifying we could have been testifying you could have been testifying they could have been testifying

Négation

Forme simple	Forme en V-ing
I could not testify you could not testify he could not testify we could not testify you could not testify they could not testify	I could not be testifying you could not be testifying he could not be testifying we could not be testifying you could not be testifying they could not be testifying
Perfect	Perfect en V-ing
I could not have testified you could not have testified he could not have testified we could not have testified you could not have testified they could not have testified	I could not have been testifying you could not have been testifying he could not have been testifying we could not have been testifying you could not have been testifying they could not have been testifying

Forme interrogative

Forme simple	Forme en V-ing
could I testify? could you testify? could he testify? could we testify? could you testify? could they testify?	could I be testifying? could you be testifying? could he be testifying? could we be testifying? could you be testifying? could they be testifying?
Perfect	Perfect en V-ing
could I have testified? could you have testified? could he have testified? could we have testified? could you have testified? could they have testified?	could I have been testifying? could you have been testifying? could he have been testifying? could we have been testifying? could you have been testifying? could they have been testifying?

Forme interro-négative

Forme simple	Forme en V-ing
could I not testify? could you not testify? could he not testify? could we not testify? could you not testify? could they not testify?	could I not be testifying? could you not be testifying? could he not be testifying? could we not be testifying? could you not be testifying? could they not be testifying?
Perfect	Perfect en V-ing
could I not have testified? could you not have testified? could he not have testified? could we not have testified? could you not have testified? could they not have testified?	could I not have been testifying? could you not have been testifying? could he not have been testifying? could we not have been testifying? could you not have been testifying? could they not have been testifying?