I must warn you must warn she must warn we must warn you must warn they must warn
Forme en V-ing
I must be warning you must be warning she must be warning we must be warning you must be warning they must be warning
Perfect
I must have warned you must have warned she must have warned we must have warned you must have warned they must have warned
Perfect en V-ing
I must have been warning you must have been warning she must have been warning we must have been warning you must have been warning they must have been warning
Négation
Forme simple
I mustn't warn you mustn't warn she mustn't warn we mustn't warn you mustn't warn they mustn't warn
Forme en V-ing
I mustn't be warning you mustn't be warning she mustn't be warning we mustn't be warning you mustn't be warning they mustn't be warning
Perfect
I mustn't have warned you mustn't have warned she mustn't have warned we mustn't have warned you mustn't have warned they mustn't have warned
Perfect en V-ing
I mustn't have been warning you mustn't have been warning she mustn't have been warning we mustn't have been warning you mustn't have been warning they mustn't have been warning
Forme interrogative
Forme simple
must I warn? must you warn? must she warn? must we warn? must you warn? must they warn?
Forme en V-ing
must I be warning? must you be warning? must she be warning? must we be warning? must you be warning? must they be warning?
Perfect
must I have warned? must you have warned? must she have warned? must we have warned? must you have warned? must they have warned?
Perfect en V-ing
must I have been warning? must you have been warning? must she have been warning? must we have been warning? must you have been warning? must they have been warning?
Forme interro-négative
Forme simple
mustn't I warn? mustn't you warn? mustn't she warn? mustn't we warn? mustn't you warn? mustn't they warn?
Forme en V-ing
mustn't I be warning? mustn't you be warning? mustn't she be warning? mustn't we be warning? mustn't you be warning? mustn't they be warning?
Perfect
mustn't I have warned? mustn't you have warned? mustn't she have warned? mustn't we have warned? mustn't you have warned? mustn't they have warned?
Perfect en V-ing
mustn't I have been warning? mustn't you have been warning? mustn't she have been warning? mustn't we have been warning? mustn't you have been warning? mustn't they have been warning?