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