English verb conjugation
TO CONCERTINA

Regular verb: concertina - concertinaed - concertinaed

Indicative

Present	Present continuous	Preterite	Preterite continuous
don't I concertina? don't you concertina? doesn't she concertina? don't we concertina? don't you concertina? don't they concertina?	am I not concertinaing? aren't you concertinaing? isn't she concertinaing? aren't we concertinaing? aren't you concertinaing? aren't they concertinaing?	didn't I concertina? didn't you concertina? didn't she concertina? didn't we concertina? didn't you concertina? didn't they concertina?	wasn't I concertinaing? weren't you concertinaing? wasn't she concertinaing? weren't we concertinaing? weren't you concertinaing? weren't they concertinaing?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
haven't I concertinaed? haven't you concertinaed? hasn't she concertinaed? haven't we concertinaed? haven't you concertinaed? haven't they concertinaed?	haven't I been concertinaing? haven't you been concertinaing? hasn't she been concertinaing? haven't we been concertinaing? haven't you been concertinaing? haven't they been concertinaing?	hadn't I concertinaed? hadn't you concertinaed? hadn't she concertinaed? hadn't we concertinaed? hadn't you concertinaed? hadn't they concertinaed?	hadn't I been concertinaing? hadn't you been concertinaing? hadn't she been concertinaing? hadn't we been concertinaing? hadn't you been concertinaing? hadn't they been concertinaing?
Future	Future continuous	Future perfect	Future perfect continuous
won't I concertina? won't you concertina? won't she concertina? won't we concertina? won't you concertina? won't they concertina?	won't I be concertinaing? won't you be concertinaing? won't she be concertinaing? won't we be concertinaing? won't you be concertinaing? won't they be concertinaing?	won't I have concertinaed? won't you have concertinaed? won't she have concertinaed? won't we have concertinaed? won't you have concertinaed? won't they have concertinaed?	won't I have been concertinaing? won't you have been concertinaing? won't she have been concertinaing? won't we have been concertinaing? won't you have been concertinaing? won't they have been concertinaing?

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I concertina? wouldn't you concertina? wouldn't she concertina? wouldn't we concertina? wouldn't you concertina? wouldn't they concertina?	wouldn't I be concertinaing? wouldn't you be concertinaing? wouldn't she be concertinaing? wouldn't we be concertinaing? wouldn't you be concertinaing? wouldn't they be concertinaing?	wouldn't I have concertinaed? wouldn't you have concertinaed? wouldn't she have concertinaed? wouldn't we have concertinaed? wouldn't you have concertinaed? wouldn't they have concertinaed?	wouldn't I have been concertinaing? wouldn't you have been concertinaing? wouldn't she have been concertinaing? wouldn't we have been concertinaing? wouldn't you have been concertinaing? wouldn't they have been concertinaing?

Infinitive

Imperative

Infinitive		Imperative
to concertina		- - -

Participle

Present	Past
concertinaing	concertinaed