Conjugaison du verbe anglais
MUST LIFEGUARD

Verbe régulier : lifeguard - lifeguarded - lifeguarded

Affirmation

Forme simple	Forme en V-ing
I must lifeguard you must lifeguard he must lifeguard we must lifeguard you must lifeguard they must lifeguard	I must be lifeguarding you must be lifeguarding he must be lifeguarding we must be lifeguarding you must be lifeguarding they must be lifeguarding
Perfect	Perfect en V-ing
I must have lifeguarded you must have lifeguarded he must have lifeguarded we must have lifeguarded you must have lifeguarded they must have lifeguarded	I must have been lifeguarding you must have been lifeguarding he must have been lifeguarding we must have been lifeguarding you must have been lifeguarding they must have been lifeguarding

Négation

Forme simple	Forme en V-ing
I mustn't lifeguard you mustn't lifeguard he mustn't lifeguard we mustn't lifeguard you mustn't lifeguard they mustn't lifeguard	I mustn't be lifeguarding you mustn't be lifeguarding he mustn't be lifeguarding we mustn't be lifeguarding you mustn't be lifeguarding they mustn't be lifeguarding
Perfect	Perfect en V-ing
I mustn't have lifeguarded you mustn't have lifeguarded he mustn't have lifeguarded we mustn't have lifeguarded you mustn't have lifeguarded they mustn't have lifeguarded	I mustn't have been lifeguarding you mustn't have been lifeguarding he mustn't have been lifeguarding we mustn't have been lifeguarding you mustn't have been lifeguarding they mustn't have been lifeguarding

Forme interrogative

Forme simple	Forme en V-ing
must I lifeguard? must you lifeguard? must he lifeguard? must we lifeguard? must you lifeguard? must they lifeguard?	must I be lifeguarding? must you be lifeguarding? must he be lifeguarding? must we be lifeguarding? must you be lifeguarding? must they be lifeguarding?
Perfect	Perfect en V-ing
must I have lifeguarded? must you have lifeguarded? must he have lifeguarded? must we have lifeguarded? must you have lifeguarded? must they have lifeguarded?	must I have been lifeguarding? must you have been lifeguarding? must he have been lifeguarding? must we have been lifeguarding? must you have been lifeguarding? must they have been lifeguarding?

Forme interro-négative

Forme simple	Forme en V-ing
mustn't I lifeguard? mustn't you lifeguard? mustn't he lifeguard? mustn't we lifeguard? mustn't you lifeguard? mustn't they lifeguard?	mustn't I be lifeguarding? mustn't you be lifeguarding? mustn't he be lifeguarding? mustn't we be lifeguarding? mustn't you be lifeguarding? mustn't they be lifeguarding?
Perfect	Perfect en V-ing
mustn't I have lifeguarded? mustn't you have lifeguarded? mustn't he have lifeguarded? mustn't we have lifeguarded? mustn't you have lifeguarded? mustn't they have lifeguarded?	mustn't I have been lifeguarding? mustn't you have been lifeguarding? mustn't he have been lifeguarding? mustn't we have been lifeguarding? mustn't you have been lifeguarding? mustn't they have been lifeguarding?