I must prescribe you must prescribe she must prescribe we must prescribe you must prescribe they must prescribe
Forme en V-ing
I must be prescribing you must be prescribing she must be prescribing we must be prescribing you must be prescribing they must be prescribing
Perfect
I must have prescribed you must have prescribed she must have prescribed we must have prescribed you must have prescribed they must have prescribed
Perfect en V-ing
I must have been prescribing you must have been prescribing she must have been prescribing we must have been prescribing you must have been prescribing they must have been prescribing
Négation
Forme simple
I must not prescribe you must not prescribe she must not prescribe we must not prescribe you must not prescribe they must not prescribe
Forme en V-ing
I must not be prescribing you must not be prescribing she must not be prescribing we must not be prescribing you must not be prescribing they must not be prescribing
Perfect
I must not have prescribed you must not have prescribed she must not have prescribed we must not have prescribed you must not have prescribed they must not have prescribed
Perfect en V-ing
I must not have been prescribing you must not have been prescribing she must not have been prescribing we must not have been prescribing you must not have been prescribing they must not have been prescribing
Forme interrogative
Forme simple
must I prescribe? must you prescribe? must she prescribe? must we prescribe? must you prescribe? must they prescribe?
Forme en V-ing
must I be prescribing? must you be prescribing? must she be prescribing? must we be prescribing? must you be prescribing? must they be prescribing?
Perfect
must I have prescribed? must you have prescribed? must she have prescribed? must we have prescribed? must you have prescribed? must they have prescribed?
Perfect en V-ing
must I have been prescribing? must you have been prescribing? must she have been prescribing? must we have been prescribing? must you have been prescribing? must they have been prescribing?
Forme interro-négative
Forme simple
must I not prescribe? must you not prescribe? must she not prescribe? must we not prescribe? must you not prescribe? must they not prescribe?
Forme en V-ing
must I not be prescribing? must you not be prescribing? must she not be prescribing? must we not be prescribing? must you not be prescribing? must they not be prescribing?
Perfect
must I not have prescribed? must you not have prescribed? must she not have prescribed? must we not have prescribed? must you not have prescribed? must they not have prescribed?
Perfect en V-ing
must I not have been prescribing? must you not have been prescribing? must she not have been prescribing? must we not have been prescribing? must you not have been prescribing? must they not have been prescribing?