I'd be diminishing you'd be diminishing he'd be diminishing we'd be diminishing you'd be diminishing they'd be diminishing
Perfect
I should've diminished you should've diminished he should've diminished we should've diminished you should've diminished they should've diminished
V-ing perfect
I should've been diminishing you should've been diminishing he should've been diminishing we should've been diminishing you should've been diminishing they should've been diminishing
Negation
Simple form
I shouldn't diminish you shouldn't diminish he shouldn't diminish we shouldn't diminish you shouldn't diminish they shouldn't diminish
V-ing form
I shouldn't be diminishing you shouldn't be diminishing he shouldn't be diminishing we shouldn't be diminishing you shouldn't be diminishing they shouldn't be diminishing
Perfect
I shouldn't have diminished you shouldn't have diminished he shouldn't have diminished we shouldn't have diminished you shouldn't have diminished they shouldn't have diminished
V-ing perfect
I shouldn't have been diminishing you shouldn't have been diminishing he shouldn't have been diminishing we shouldn't have been diminishing you shouldn't have been diminishing they shouldn't have been diminishing
Interrogative form
Simple form
should I diminish? should you diminish? should he diminish? should we diminish? should you diminish? should they diminish?
V-ing form
should I be diminishing? should you be diminishing? should he be diminishing? should we be diminishing? should you be diminishing? should they be diminishing?
Perfect
should I have diminished? should you have diminished? should he have diminished? should we have diminished? should you have diminished? should they have diminished?
V-ing perfect
should I have been diminishing? should you have been diminishing? should he have been diminishing? should we have been diminishing? should you have been diminishing? should they have been diminishing?
Interro-negative form
Simple form
shouldn't I diminish? shouldn't you diminish? shouldn't he diminish? shouldn't we diminish? shouldn't you diminish? shouldn't they diminish?
V-ing form
shouldn't I be diminishing? shouldn't you be diminishing? shouldn't he be diminishing? shouldn't we be diminishing? shouldn't you be diminishing? shouldn't they be diminishing?
Perfect
shouldn't I have diminished? shouldn't you have diminished? shouldn't he have diminished? shouldn't we have diminished? shouldn't you have diminished? shouldn't they have diminished?
V-ing perfect
shouldn't I have been diminishing? shouldn't you have been diminishing? shouldn't he have been diminishing? shouldn't we have been diminishing? shouldn't you have been diminishing? shouldn't they have been diminishing?