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