English verb conjugation
MUST DEBRIEF

Regular verb: debrief - debriefed - debriefed

Affirmation

Simple form	V-ing form
I must debrief you must debrief he must debrief we must debrief you must debrief they must debrief	I must be debriefing you must be debriefing he must be debriefing we must be debriefing you must be debriefing they must be debriefing
Perfect	V-ing perfect
I must have debriefed you must have debriefed he must have debriefed we must have debriefed you must have debriefed they must have debriefed	I must have been debriefing you must have been debriefing he must have been debriefing we must have been debriefing you must have been debriefing they must have been debriefing

Negation

Simple form	V-ing form
I must not debrief you must not debrief he must not debrief we must not debrief you must not debrief they must not debrief	I must not be debriefing you must not be debriefing he must not be debriefing we must not be debriefing you must not be debriefing they must not be debriefing
Perfect	V-ing perfect
I must not have debriefed you must not have debriefed he must not have debriefed we must not have debriefed you must not have debriefed they must not have debriefed	I must not have been debriefing you must not have been debriefing he must not have been debriefing we must not have been debriefing you must not have been debriefing they must not have been debriefing

Interrogative form

Simple form	V-ing form
must I debrief? must you debrief? must he debrief? must we debrief? must you debrief? must they debrief?	must I be debriefing? must you be debriefing? must he be debriefing? must we be debriefing? must you be debriefing? must they be debriefing?
Perfect	V-ing perfect
must I have debriefed? must you have debriefed? must he have debriefed? must we have debriefed? must you have debriefed? must they have debriefed?	must I have been debriefing? must you have been debriefing? must he have been debriefing? must we have been debriefing? must you have been debriefing? must they have been debriefing?

Interro-negative form

Simple form	V-ing form
must I not debrief? must you not debrief? must he not debrief? must we not debrief? must you not debrief? must they not debrief?	must I not be debriefing? must you not be debriefing? must he not be debriefing? must we not be debriefing? must you not be debriefing? must they not be debriefing?
Perfect	V-ing perfect
must I not have debriefed? must you not have debriefed? must he not have debriefed? must we not have debriefed? must you not have debriefed? must they not have debriefed?	must I not have been debriefing? must you not have been debriefing? must he not have been debriefing? must we not have been debriefing? must you not have been debriefing? must they not have been debriefing?