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