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