I don't brief you don't brief he doesn't brief we don't brief you don't brief they don't brief
Present continuous
I'm not briefing you aren't briefing he isn't briefing we aren't briefing you aren't briefing they aren't briefing
Preterite
I didn't brief you didn't brief he didn't brief we didn't brief you didn't brief they didn't brief
Preterite continuous
I wasn't briefing you weren't briefing he wasn't briefing we weren't briefing you weren't briefing they weren't briefing
Present perfect
I haven't briefed you haven't briefed he hasn't briefed we haven't briefed you haven't briefed they haven't briefed
Present perfect continuous
I haven't been briefing you haven't been briefing he hasn't been briefing we haven't been briefing you haven't been briefing they haven't been briefing
Pluperfect
I hadn't briefed you hadn't briefed he hadn't briefed we hadn't briefed you hadn't briefed they hadn't briefed
Pluperfect continuous
I hadn't been briefing you hadn't been briefing he hadn't been briefing we hadn't been briefing you hadn't been briefing they hadn't been briefing
Future
I won't brief you won't brief he won't brief we won't brief you won't brief they won't brief
Future continuous
I won't be briefing you won't be briefing he won't be briefing we won't be briefing you won't be briefing they won't be briefing
Future perfect
I won't have briefed you won't have briefed he won't have briefed we won't have briefed you won't have briefed they won't have briefed
Future perfect continuous
I won't have been briefing you won't have been briefing he won't have been briefing we won't have been briefing you won't have been briefing they won't have been briefing
Conditional
Present
I wouldn't brief you wouldn't brief he wouldn't brief we wouldn't brief you wouldn't brief they wouldn't brief
Present continuous
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
Past
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
Past continuous
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