don't I concertise? don't you concertise? doesn't he concertise? don't we concertise? don't you concertise? don't they concertise?
Présent continu
am I not concertising? aren't you concertising? isn't he concertising? aren't we concertising? aren't you concertising? aren't they concertising?
Prétérit
didn't I concertise? didn't you concertise? didn't he concertise? didn't we concertise? didn't you concertise? didn't they concertise?
Prétérit
wasn't I concertising? weren't you concertising? wasn't he concertising? weren't we concertising? weren't you concertising? weren't they concertising?
Present perfect
haven't I concertised? haven't you concertised? hasn't he concertised? haven't we concertised? haven't you concertised? haven't they concertised?
Present perfect continu
haven't I been concertising? haven't you been concertising? hasn't he been concertising? haven't we been concertising? haven't you been concertising? haven't they been concertising?
Pluperfect
hadn't I concertised? hadn't you concertised? hadn't he concertised? hadn't we concertised? hadn't you concertised? hadn't they concertised?
Pluperfect continu
hadn't I been concertising? hadn't you been concertising? hadn't he been concertising? hadn't we been concertising? hadn't you been concertising? hadn't they been concertising?
Futur
won't I concertise? won't you concertise? won't he concertise? won't we concertise? won't you concertise? won't they concertise?
Futur continu
won't I be concertising? won't you be concertising? won't he be concertising? won't we be concertising? won't you be concertising? won't they be concertising?
Futur antérieur
won't I have concertised? won't you have concertised? won't he have concertised? won't we have concertised? won't you have concertised? won't they have concertised?
Futur antérieur continu
won't I have been concertising? won't you have been concertising? won't he have been concertising? won't we have been concertising? won't you have been concertising? won't they have been concertising?
Conditionnel
Présent
wouldn't I concertise? wouldn't you concertise? wouldn't he concertise? wouldn't we concertise? wouldn't you concertise? wouldn't they concertise?
Présent continu
wouldn't I be concertising? wouldn't you be concertising? wouldn't he be concertising? wouldn't we be concertising? wouldn't you be concertising? wouldn't they be concertising?
Passé
wouldn't I have concertised? wouldn't you have concertised? wouldn't he have concertised? wouldn't we have concertised? wouldn't you have concertised? wouldn't they have concertised?
Passé continu
wouldn't I have been concertising? wouldn't you have been concertising? wouldn't he have been concertising? wouldn't we have been concertising? wouldn't you have been concertising? wouldn't they have been concertising?