Conjugaison du verbe anglais
COULD VAIL

Verbe régulier : vail - vailed - vailed

Affirmation

Forme simple	Forme en V-ing
I could vail you could vail she could vail we could vail you could vail they could vail	I could be vailing you could be vailing she could be vailing we could be vailing you could be vailing they could be vailing
Perfect	Perfect en V-ing
I could have vailed you could have vailed she could have vailed we could have vailed you could have vailed they could have vailed	I could have been vailing you could have been vailing she could have been vailing we could have been vailing you could have been vailing they could have been vailing

Négation

Forme simple	Forme en V-ing
I couldn't vail you couldn't vail she couldn't vail we couldn't vail you couldn't vail they couldn't vail	I couldn't be vailing you couldn't be vailing she couldn't be vailing we couldn't be vailing you couldn't be vailing they couldn't be vailing
Perfect	Perfect en V-ing
I couldn't have vailed you couldn't have vailed she couldn't have vailed we couldn't have vailed you couldn't have vailed they couldn't have vailed	I couldn't have been vailing you couldn't have been vailing she couldn't have been vailing we couldn't have been vailing you couldn't have been vailing they couldn't have been vailing

Forme interrogative

Forme simple	Forme en V-ing
could I vail? could you vail? could she vail? could we vail? could you vail? could they vail?	could I be vailing? could you be vailing? could she be vailing? could we be vailing? could you be vailing? could they be vailing?
Perfect	Perfect en V-ing
could I have vailed? could you have vailed? could she have vailed? could we have vailed? could you have vailed? could they have vailed?	could I have been vailing? could you have been vailing? could she have been vailing? could we have been vailing? could you have been vailing? could they have been vailing?

Forme interro-négative

Forme simple	Forme en V-ing
couldn't I vail? couldn't you vail? couldn't she vail? couldn't we vail? couldn't you vail? couldn't they vail?	couldn't I be vailing? couldn't you be vailing? couldn't she be vailing? couldn't we be vailing? couldn't you be vailing? couldn't they be vailing?
Perfect	Perfect en V-ing
couldn't I have vailed? couldn't you have vailed? couldn't she have vailed? couldn't we have vailed? couldn't you have vailed? couldn't they have vailed?	couldn't I have been vailing? couldn't you have been vailing? couldn't she have been vailing? couldn't we have been vailing? couldn't you have been vailing? couldn't they have been vailing?