I'd be slipcovering you'd be slipcovering he'd be slipcovering we'd be slipcovering you'd be slipcovering they'd be slipcovering
Perfect
I should've slipcovered you should've slipcovered he should've slipcovered we should've slipcovered you should've slipcovered they should've slipcovered
Perfect en V-ing
I should've been slipcovering you should've been slipcovering he should've been slipcovering we should've been slipcovering you should've been slipcovering they should've been slipcovering
Négation
Forme simple
I shouldn't slipcover you shouldn't slipcover he shouldn't slipcover we shouldn't slipcover you shouldn't slipcover they shouldn't slipcover
Forme en V-ing
I shouldn't be slipcovering you shouldn't be slipcovering he shouldn't be slipcovering we shouldn't be slipcovering you shouldn't be slipcovering they shouldn't be slipcovering
Perfect
I shouldn't have slipcovered you shouldn't have slipcovered he shouldn't have slipcovered we shouldn't have slipcovered you shouldn't have slipcovered they shouldn't have slipcovered
Perfect en V-ing
I shouldn't have been slipcovering you shouldn't have been slipcovering he shouldn't have been slipcovering we shouldn't have been slipcovering you shouldn't have been slipcovering they shouldn't have been slipcovering
Forme interrogative
Forme simple
should I slipcover? should you slipcover? should he slipcover? should we slipcover? should you slipcover? should they slipcover?
Forme en V-ing
should I be slipcovering? should you be slipcovering? should he be slipcovering? should we be slipcovering? should you be slipcovering? should they be slipcovering?
Perfect
should I have slipcovered? should you have slipcovered? should he have slipcovered? should we have slipcovered? should you have slipcovered? should they have slipcovered?
Perfect en V-ing
should I have been slipcovering? should you have been slipcovering? should he have been slipcovering? should we have been slipcovering? should you have been slipcovering? should they have been slipcovering?
Forme interro-négative
Forme simple
shouldn't I slipcover? shouldn't you slipcover? shouldn't he slipcover? shouldn't we slipcover? shouldn't you slipcover? shouldn't they slipcover?
Forme en V-ing
shouldn't I be slipcovering? shouldn't you be slipcovering? shouldn't he be slipcovering? shouldn't we be slipcovering? shouldn't you be slipcovering? shouldn't they be slipcovering?
Perfect
shouldn't I have slipcovered? shouldn't you have slipcovered? shouldn't he have slipcovered? shouldn't we have slipcovered? shouldn't you have slipcovered? shouldn't they have slipcovered?
Perfect en V-ing
shouldn't I have been slipcovering? shouldn't you have been slipcovering? shouldn't he have been slipcovering? shouldn't we have been slipcovering? shouldn't you have been slipcovering? shouldn't they have been slipcovering?