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