I'd be concertinaing you'd be concertinaing she'd be concertinaing we'd be concertinaing you'd be concertinaing they'd be concertinaing
Perfect
I should've concertinaed you should've concertinaed she should've concertinaed we should've concertinaed you should've concertinaed they should've concertinaed
Perfect en V-ing
I should've been concertinaing you should've been concertinaing she should've been concertinaing we should've been concertinaing you should've been concertinaing they should've been concertinaing
Négation
Forme simple
I shouldn't concertina you shouldn't concertina she shouldn't concertina we shouldn't concertina you shouldn't concertina they shouldn't concertina
Forme en V-ing
I shouldn't be concertinaing you shouldn't be concertinaing she shouldn't be concertinaing we shouldn't be concertinaing you shouldn't be concertinaing they shouldn't be concertinaing
Perfect
I shouldn't have concertinaed you shouldn't have concertinaed she shouldn't have concertinaed we shouldn't have concertinaed you shouldn't have concertinaed they shouldn't have concertinaed
Perfect en V-ing
I shouldn't have been concertinaing you shouldn't have been concertinaing she shouldn't have been concertinaing we shouldn't have been concertinaing you shouldn't have been concertinaing they shouldn't have been concertinaing
Forme interrogative
Forme simple
should I concertina? should you concertina? should she concertina? should we concertina? should you concertina? should they concertina?
Forme en V-ing
should I be concertinaing? should you be concertinaing? should she be concertinaing? should we be concertinaing? should you be concertinaing? should they be concertinaing?
Perfect
should I have concertinaed? should you have concertinaed? should she have concertinaed? should we have concertinaed? should you have concertinaed? should they have concertinaed?
Perfect en V-ing
should I have been concertinaing? should you have been concertinaing? should she have been concertinaing? should we have been concertinaing? should you have been concertinaing? should they have been concertinaing?
Forme interro-négative
Forme simple
shouldn't I concertina? shouldn't you concertina? shouldn't she concertina? shouldn't we concertina? shouldn't you concertina? shouldn't they concertina?
Forme en V-ing
shouldn't I be concertinaing? shouldn't you be concertinaing? shouldn't she be concertinaing? shouldn't we be concertinaing? shouldn't you be concertinaing? shouldn't they be concertinaing?
Perfect
shouldn't I have concertinaed? shouldn't you have concertinaed? shouldn't she have concertinaed? shouldn't we have concertinaed? shouldn't you have concertinaed? shouldn't they have concertinaed?
Perfect en V-ing
shouldn't I have been concertinaing? shouldn't you have been concertinaing? shouldn't she have been concertinaing? shouldn't we have been concertinaing? shouldn't you have been concertinaing? shouldn't they have been concertinaing?