Conjugaison du verbe anglais
COULD DERAIL

Verbe régulier : derail - derailed - derailed

Affirmation

Forme simple	Forme en V-ing
I could derail you could derail he could derail we could derail you could derail they could derail	I could be derailing you could be derailing he could be derailing we could be derailing you could be derailing they could be derailing
Perfect	Perfect en V-ing
I could have derailed you could have derailed he could have derailed we could have derailed you could have derailed they could have derailed	I could have been derailing you could have been derailing he could have been derailing we could have been derailing you could have been derailing they could have been derailing

Négation

Forme simple	Forme en V-ing
I could not derail you could not derail he could not derail we could not derail you could not derail they could not derail	I could not be derailing you could not be derailing he could not be derailing we could not be derailing you could not be derailing they could not be derailing
Perfect	Perfect en V-ing
I could not have derailed you could not have derailed he could not have derailed we could not have derailed you could not have derailed they could not have derailed	I could not have been derailing you could not have been derailing he could not have been derailing we could not have been derailing you could not have been derailing they could not have been derailing

Forme interrogative

Forme simple	Forme en V-ing
could I derail? could you derail? could he derail? could we derail? could you derail? could they derail?	could I be derailing? could you be derailing? could he be derailing? could we be derailing? could you be derailing? could they be derailing?
Perfect	Perfect en V-ing
could I have derailed? could you have derailed? could he have derailed? could we have derailed? could you have derailed? could they have derailed?	could I have been derailing? could you have been derailing? could he have been derailing? could we have been derailing? could you have been derailing? could they have been derailing?

Forme interro-négative

Forme simple	Forme en V-ing
could I not derail? could you not derail? could he not derail? could we not derail? could you not derail? could they not derail?	could I not be derailing? could you not be derailing? could he not be derailing? could we not be derailing? could you not be derailing? could they not be derailing?
Perfect	Perfect en V-ing
could I not have derailed? could you not have derailed? could he not have derailed? could we not have derailed? could you not have derailed? could they not have derailed?	could I not have been derailing? could you not have been derailing? could he not have been derailing? could we not have been derailing? could you not have been derailing? could they not have been derailing?