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