Conjugaison du verbe anglais
MUST VAIL

Verbe régulier : vail - vailed - vailed

Affirmation

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

Négation

Forme simple	Forme en V-ing
I must not vail you must not vail he must not vail we must not vail you must not vail they must not vail	I must not be vailing you must not be vailing he must not be vailing we must not be vailing you must not be vailing they must not be vailing
Perfect	Perfect en V-ing
I must not have vailed you must not have vailed he must not have vailed we must not have vailed you must not have vailed they must not have vailed	I must not have been vailing you must not have been vailing he must not have been vailing we must not have been vailing you must not have been vailing they must not have been vailing

Forme interrogative

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

Forme interro-négative

Forme simple	Forme en V-ing
must I not vail? must you not vail? must he not vail? must we not vail? must you not vail? must they not vail?	must I not be vailing? must you not be vailing? must he not be vailing? must we not be vailing? must you not be vailing? must they not be vailing?
Perfect	Perfect en V-ing
must I not have vailed? must you not have vailed? must he not have vailed? must we not have vailed? must you not have vailed? must they not have vailed?	must I not have been vailing? must you not have been vailing? must he not have been vailing? must we not have been vailing? must you not have been vailing? must they not have been vailing?