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