I must ask you must ask he must ask we must ask you must ask they must ask
Forme en V-ing
I must be asking you must be asking he must be asking we must be asking you must be asking they must be asking
Perfect
I must have asked you must have asked he must have asked we must have asked you must have asked they must have asked
Perfect en V-ing
I must have been asking you must have been asking he must have been asking we must have been asking you must have been asking they must have been asking
Négation
Forme simple
I must not ask you must not ask he must not ask we must not ask you must not ask they must not ask
Forme en V-ing
I must not be asking you must not be asking he must not be asking we must not be asking you must not be asking they must not be asking
Perfect
I must not have asked you must not have asked he must not have asked we must not have asked you must not have asked they must not have asked
Perfect en V-ing
I must not have been asking you must not have been asking he must not have been asking we must not have been asking you must not have been asking they must not have been asking
Forme interrogative
Forme simple
must I ask? must you ask? must he ask? must we ask? must you ask? must they ask?
Forme en V-ing
must I be asking? must you be asking? must he be asking? must we be asking? must you be asking? must they be asking?
Perfect
must I have asked? must you have asked? must he have asked? must we have asked? must you have asked? must they have asked?
Perfect en V-ing
must I have been asking? must you have been asking? must he have been asking? must we have been asking? must you have been asking? must they have been asking?
Forme interro-négative
Forme simple
must I not ask? must you not ask? must he not ask? must we not ask? must you not ask? must they not ask?
Forme en V-ing
must I not be asking? must you not be asking? must he not be asking? must we not be asking? must you not be asking? must they not be asking?
Perfect
must I not have asked? must you not have asked? must he not have asked? must we not have asked? must you not have asked? must they not have asked?
Perfect en V-ing
must I not have been asking? must you not have been asking? must he not have been asking? must we not have been asking? must you not have been asking? must they not have been asking?