I'd be briefing you'd be briefing she'd be briefing we'd be briefing you'd be briefing they'd be briefing
Perfect
I would've briefed you would've briefed she 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 she 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 she 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 she 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 she 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 she 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 she brief? would we brief? would you brief? would they brief?
V-ing form
would I be briefing? would you be briefing? would she be briefing? would we be briefing? would you be briefing? would they be briefing?
Perfect
would I have briefed? would you have briefed? would she 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 she 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 she 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 she 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 she 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 she have been briefing? wouldn't we have been briefing? wouldn't you have been briefing? wouldn't they have been briefing?