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