Conjugaison du verbe anglais
MUST CAVERN

Verbe régulier : cavern - caverned - caverned

Affirmation

Forme simple	Forme en V-ing
I must cavern you must cavern he must cavern we must cavern you must cavern they must cavern	I must be caverning you must be caverning he must be caverning we must be caverning you must be caverning they must be caverning
Perfect	Perfect en V-ing
I must have caverned you must have caverned he must have caverned we must have caverned you must have caverned they must have caverned	I must have been caverning you must have been caverning he must have been caverning we must have been caverning you must have been caverning they must have been caverning

Négation

Forme simple	Forme en V-ing
I mustn't cavern you mustn't cavern he mustn't cavern we mustn't cavern you mustn't cavern they mustn't cavern	I mustn't be caverning you mustn't be caverning he mustn't be caverning we mustn't be caverning you mustn't be caverning they mustn't be caverning
Perfect	Perfect en V-ing
I mustn't have caverned you mustn't have caverned he mustn't have caverned we mustn't have caverned you mustn't have caverned they mustn't have caverned	I mustn't have been caverning you mustn't have been caverning he mustn't have been caverning we mustn't have been caverning you mustn't have been caverning they mustn't have been caverning

Forme interrogative

Forme simple	Forme en V-ing
must I cavern? must you cavern? must he cavern? must we cavern? must you cavern? must they cavern?	must I be caverning? must you be caverning? must he be caverning? must we be caverning? must you be caverning? must they be caverning?
Perfect	Perfect en V-ing
must I have caverned? must you have caverned? must he have caverned? must we have caverned? must you have caverned? must they have caverned?	must I have been caverning? must you have been caverning? must he have been caverning? must we have been caverning? must you have been caverning? must they have been caverning?

Forme interro-négative

Forme simple	Forme en V-ing
mustn't I cavern? mustn't you cavern? mustn't he cavern? mustn't we cavern? mustn't you cavern? mustn't they cavern?	mustn't I be caverning? mustn't you be caverning? mustn't he be caverning? mustn't we be caverning? mustn't you be caverning? mustn't they be caverning?
Perfect	Perfect en V-ing
mustn't I have caverned? mustn't you have caverned? mustn't he have caverned? mustn't we have caverned? mustn't you have caverned? mustn't they have caverned?	mustn't I have been caverning? mustn't you have been caverning? mustn't he have been caverning? mustn't we have been caverning? mustn't you have been caverning? mustn't they have been caverning?