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