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