can debrief
Regular verb: debrief - debriefed- debriefed

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't debrief
you can't debrief
he can't debrief
we can't debrief
you can't debrief
they can't debrief 	I can't be debriefing
you can't be debriefing
he can't be debriefing
we can't be debriefing
you can't be debriefing
they can't be debriefing	I can't have debriefed
you can't have debriefed
he can't have debriefed
we can't have debriefed
you can't have debriefed
they can't have debriefed	I can't have been debriefing
you can't have been debriefing
he can't have been debriefing
we can't have been debriefing
you can't have been debriefing
they can't have been debriefing	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I debrief?
can't you debrief?
can't he debrief?
can't we debrief?
can't you debrief?
can't they debrief? 	can't I be debriefing?
can't you be debriefing?
can't he be debriefing?
can't we be debriefing?
can't you be debriefing?
can't they be debriefing? 	can't I have debriefed?
can't you have debriefed?
can't he have debriefed?
can't we have debriefed?
can't you have debriefed?
can't they have debriefed? 	can't I have been debriefing?
can't you have been debriefing?
can't he have been debriefing?
can't we have been debriefing?
can't you have been debriefing?
can't they have been debriefing?