I'd be flattering you'd be flattering she'd be flattering we'd be flattering you'd be flattering they'd be flattering
Perfect
I should've flattered you should've flattered she should've flattered we should've flattered you should've flattered they should've flattered
V-ing perfect
I should've been flattering you should've been flattering she should've been flattering we should've been flattering you should've been flattering they should've been flattering
Negation
Simple form
I shouldn't flatter you shouldn't flatter she shouldn't flatter we shouldn't flatter you shouldn't flatter they shouldn't flatter
V-ing form
I shouldn't be flattering you shouldn't be flattering she shouldn't be flattering we shouldn't be flattering you shouldn't be flattering they shouldn't be flattering
Perfect
I shouldn't have flattered you shouldn't have flattered she shouldn't have flattered we shouldn't have flattered you shouldn't have flattered they shouldn't have flattered
V-ing perfect
I shouldn't have been flattering you shouldn't have been flattering she shouldn't have been flattering we shouldn't have been flattering you shouldn't have been flattering they shouldn't have been flattering
Interrogative form
Simple form
should I flatter? should you flatter? should she flatter? should we flatter? should you flatter? should they flatter?
V-ing form
should I be flattering? should you be flattering? should she be flattering? should we be flattering? should you be flattering? should they be flattering?
Perfect
should I have flattered? should you have flattered? should she have flattered? should we have flattered? should you have flattered? should they have flattered?
V-ing perfect
should I have been flattering? should you have been flattering? should she have been flattering? should we have been flattering? should you have been flattering? should they have been flattering?
Interro-negative form
Simple form
shouldn't I flatter? shouldn't you flatter? shouldn't she flatter? shouldn't we flatter? shouldn't you flatter? shouldn't they flatter?
V-ing form
shouldn't I be flattering? shouldn't you be flattering? shouldn't she be flattering? shouldn't we be flattering? shouldn't you be flattering? shouldn't they be flattering?
Perfect
shouldn't I have flattered? shouldn't you have flattered? shouldn't she have flattered? shouldn't we have flattered? shouldn't you have flattered? shouldn't they have flattered?
V-ing perfect
shouldn't I have been flattering? shouldn't you have been flattering? shouldn't she have been flattering? shouldn't we have been flattering? shouldn't you have been flattering? shouldn't they have been flattering?