don't I brief? don't you brief? doesn't he brief? don't we brief? don't you brief? don't they brief?
Presente continuo
am I not briefing? aren't you briefing? isn't he briefing? aren't we briefing? aren't you briefing? aren't they briefing?
Preterito
didn't I brief? didn't you brief? didn't he brief? didn't we brief? didn't you brief? didn't they brief?
Preterite continua
wasn't I briefing? weren't you briefing? wasn't he briefing? weren't we briefing? weren't you briefing? weren't they briefing?
Presente perfetto
haven't I briefed? haven't you briefed? hasn't he briefed? haven't we briefed? haven't you briefed? haven't they briefed?
Presente perfetto continuo
haven't I been briefing? haven't you been briefing? hasn't he been briefing? haven't we been briefing? haven't you been briefing? haven't they been briefing?
Piuccheperfetto
hadn't I briefed? hadn't you briefed? hadn't he briefed? hadn't we briefed? hadn't you briefed? hadn't they briefed?
Piuccheperfetto continuo
hadn't I been briefing? hadn't you been briefing? hadn't he been briefing? hadn't we been briefing? hadn't you been briefing? hadn't they been briefing?
Futuro semplice
won't I brief? won't you brief? won't he brief? won't we brief? won't you brief? won't they brief?
Futuro continuo
won't I be briefing? won't you be briefing? won't he be briefing? won't we be briefing? won't you be briefing? won't they be briefing?
Futuro anteriore
won't I have briefed? won't you have briefed? won't he have briefed? won't we have briefed? won't you have briefed? won't they have briefed?
Futuro anteriore contínuo
won't I have been briefing? won't you have been briefing? won't he have been briefing? won't we have been briefing? won't you have been briefing? won't they have been briefing?
Condizionale
Presente
wouldn't I brief? wouldn't you brief? wouldn't he brief? wouldn't we brief? wouldn't you brief? wouldn't they brief?
Presente continuo
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?
Passato
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?
Passato continuo
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?