Conjugaison du verbe anglais
MUST AD-LIB

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

Affirmation

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

Négation

Forme simple	Forme en V-ing
I mustn't ad-lib you mustn't ad-lib he mustn't ad-lib we mustn't ad-lib you mustn't ad-lib they mustn't ad-lib	I mustn't be ad-libing you mustn't be ad-libing he mustn't be ad-libing we mustn't be ad-libing you mustn't be ad-libing they mustn't be ad-libing
Perfect	Perfect en V-ing
I mustn't have ad-libed you mustn't have ad-libed he mustn't have ad-libed we mustn't have ad-libed you mustn't have ad-libed they mustn't have ad-libed	I mustn't have been ad-libing you mustn't have been ad-libing he mustn't have been ad-libing we mustn't have been ad-libing you mustn't have been ad-libing they mustn't have been ad-libing

Forme interrogative

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

Forme interro-négative

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