I must brief you must brief he must brief we must brief you must brief they must brief
Form mit V-ing
I must be briefing you must be briefing he must be briefing we must be briefing you must be briefing they must be briefing
Perfekt
I must have briefed you must have briefed he must have briefed we must have briefed you must have briefed they must have briefed
Perfekt mit V-ing
I must have been briefing you must have been briefing he must have been briefing we must have been briefing you must have been briefing they must have been briefing
Negation
Einfache Form
I must not brief you must not brief he must not brief we must not brief you must not brief they must not brief
Form mit V-ing
I must not be briefing you must not be briefing he must not be briefing we must not be briefing you must not be briefing they must not be briefing
Perfekt
I must not have briefed you must not have briefed he must not have briefed we must not have briefed you must not have briefed they must not have briefed
Perfekt mit V-ing
I must not have been briefing you must not have been briefing he must not have been briefing we must not have been briefing you must not have been briefing they must not have been briefing
Fragende Form
Einfache Form
must I brief? must you brief? must he brief? must we brief? must you brief? must they brief?
Form mit V-ing
must I be briefing? must you be briefing? must he be briefing? must we be briefing? must you be briefing? must they be briefing?
Perfekt
must I have briefed? must you have briefed? must he have briefed? must we have briefed? must you have briefed? must they have briefed?
Perfekt mit V-ing
must I have been briefing? must you have been briefing? must he have been briefing? must we have been briefing? must you have been briefing? must they have been briefing?
Fragende Negation Form
Einfache Form
must I not brief? must you not brief? must he not brief? must we not brief? must you not brief? must they not brief?
Form mit V-ing
must I not be briefing? must you not be briefing? must he not be briefing? must we not be briefing? must you not be briefing? must they not be briefing?
Perfekt
must I not have briefed? must you not have briefed? must he not have briefed? must we not have briefed? must you not have briefed? must they not have briefed?
Perfekt mit V-ing
must I not have been briefing? must you not have been briefing? must he not have been briefing? must we not have been briefing? must you not have been briefing? must they not have been briefing?