I must bit you must bit he must bit we must bit you must bit they must bit
Forme en V-ing
I must be biting you must be biting he must be biting we must be biting you must be biting they must be biting
Perfect
I must have bited you must have bited he must have bited we must have bited you must have bited they must have bited
Perfect en V-ing
I must have been biting you must have been biting he must have been biting we must have been biting you must have been biting they must have been biting
Négation
Forme simple
I mustn't bit you mustn't bit he mustn't bit we mustn't bit you mustn't bit they mustn't bit
Forme en V-ing
I mustn't be biting you mustn't be biting he mustn't be biting we mustn't be biting you mustn't be biting they mustn't be biting
Perfect
I mustn't have bited you mustn't have bited he mustn't have bited we mustn't have bited you mustn't have bited they mustn't have bited
Perfect en V-ing
I mustn't have been biting you mustn't have been biting he mustn't have been biting we mustn't have been biting you mustn't have been biting they mustn't have been biting
Forme interrogative
Forme simple
must I bit? must you bit? must he bit? must we bit? must you bit? must they bit?
Forme en V-ing
must I be biting? must you be biting? must he be biting? must we be biting? must you be biting? must they be biting?
Perfect
must I have bited? must you have bited? must he have bited? must we have bited? must you have bited? must they have bited?
Perfect en V-ing
must I have been biting? must you have been biting? must he have been biting? must we have been biting? must you have been biting? must they have been biting?
Forme interro-négative
Forme simple
mustn't I bit? mustn't you bit? mustn't he bit? mustn't we bit? mustn't you bit? mustn't they bit?
Forme en V-ing
mustn't I be biting? mustn't you be biting? mustn't he be biting? mustn't we be biting? mustn't you be biting? mustn't they be biting?
Perfect
mustn't I have bited? mustn't you have bited? mustn't he have bited? mustn't we have bited? mustn't you have bited? mustn't they have bited?
Perfect en V-ing
mustn't I have been biting? mustn't you have been biting? mustn't he have been biting? mustn't we have been biting? mustn't you have been biting? mustn't they have been biting?