I'd fit you'd fit she'd fit we'd fit you'd fit they'd fit
V-ing form
I'd be fitting you'd be fitting she'd be fitting we'd be fitting you'd be fitting they'd be fitting
Perfect
I should've fit, fitted you should've fit, fitted she should've fit, fitted we should've fit, fitted you should've fit, fitted they should've fit, fitted
V-ing perfect
I should've been fitting you should've been fitting she should've been fitting we should've been fitting you should've been fitting they should've been fitting
Negation
Simple form
I shouldn't fit you shouldn't fit she shouldn't fit we shouldn't fit you shouldn't fit they shouldn't fit
V-ing form
I shouldn't be fitting you shouldn't be fitting she shouldn't be fitting we shouldn't be fitting you shouldn't be fitting they shouldn't be fitting
Perfect
I shouldn't have fit, fitted you shouldn't have fit, fitted she shouldn't have fit, fitted we shouldn't have fit, fitted you shouldn't have fit, fitted they shouldn't have fit, fitted
V-ing perfect
I shouldn't have been fitting you shouldn't have been fitting she shouldn't have been fitting we shouldn't have been fitting you shouldn't have been fitting they shouldn't have been fitting
Interrogative form
Simple form
should I fit? should you fit? should she fit? should we fit? should you fit? should they fit?
V-ing form
should I be fitting? should you be fitting? should she be fitting? should we be fitting? should you be fitting? should they be fitting?
Perfect
should I have fit, fitted? should you have fit, fitted? should she have fit, fitted? should we have fit, fitted? should you have fit, fitted? should they have fit, fitted?
V-ing perfect
should I have been fitting? should you have been fitting? should she have been fitting? should we have been fitting? should you have been fitting? should they have been fitting?
Interro-negative form
Simple form
shouldn't I fit? shouldn't you fit? shouldn't she fit? shouldn't we fit? shouldn't you fit? shouldn't they fit?
V-ing form
shouldn't I be fitting? shouldn't you be fitting? shouldn't she be fitting? shouldn't we be fitting? shouldn't you be fitting? shouldn't they be fitting?
Perfect
shouldn't I have fit, fitted? shouldn't you have fit, fitted? shouldn't she have fit, fitted? shouldn't we have fit, fitted? shouldn't you have fit, fitted? shouldn't they have fit, fitted?
V-ing perfect
shouldn't I have been fitting? shouldn't you have been fitting? shouldn't she have been fitting? shouldn't we have been fitting? shouldn't you have been fitting? shouldn't they have been fitting?