I'd be briefing you'd be briefing he'd be briefing we'd be briefing you'd be briefing they'd be briefing
Perfect
I would've briefed you would've briefed he would've briefed we would've briefed you would've briefed they would've briefed
V-ing perfect
I would've been briefing you would've been briefing he would've been briefing we would've been briefing you would've been briefing they would've been briefing
Negation
Simple form
I wouldn't brief you wouldn't brief he wouldn't brief we wouldn't brief you wouldn't brief they wouldn't brief
V-ing form
I wouldn't be briefing you wouldn't be briefing he wouldn't be briefing we wouldn't be briefing you wouldn't be briefing they wouldn't be briefing
Perfect
I wouldn't have briefed you wouldn't have briefed he wouldn't have briefed we wouldn't have briefed you wouldn't have briefed they wouldn't have briefed
V-ing perfect
I wouldn't have been briefing you wouldn't have been briefing he wouldn't have been briefing we wouldn't have been briefing you wouldn't have been briefing they wouldn't have been briefing
Interrogative form
Simple form
would I brief? would you brief? would he brief? would we brief? would you brief? would they brief?
V-ing form
would I be briefing? would you be briefing? would he be briefing? would we be briefing? would you be briefing? would they be briefing?
Perfect
would I have briefed? would you have briefed? would he have briefed? would we have briefed? would you have briefed? would they have briefed?
V-ing perfect
would I have been briefing? would you have been briefing? would he have been briefing? would we have been briefing? would you have been briefing? would they have been briefing?
Interro-negative form
Simple form
wouldn't I brief? wouldn't you brief? wouldn't he brief? wouldn't we brief? wouldn't you brief? wouldn't they brief?
V-ing form
wouldn't I be briefing? wouldn't you be briefing? wouldn't he be briefing? wouldn't we be briefing? wouldn't you be briefing? wouldn't they be briefing?
Perfect
wouldn't I have briefed? wouldn't you have briefed? wouldn't he have briefed? wouldn't we have briefed? wouldn't you have briefed? wouldn't they have briefed?
V-ing perfect
wouldn't I have been briefing? wouldn't you have been briefing? wouldn't he have been briefing? wouldn't we have been briefing? wouldn't you have been briefing? wouldn't they have been briefing?